100+ Story Ideas and Writing Prompts by Genre

Table of contents
  1. How to turn a prompt into a story
  2. Fantasy story ideas
  3. Science fiction story ideas
  4. Mystery and crime story ideas
  5. Romance story ideas
  6. Horror story ideas
  7. Historical fiction story ideas
  8. Literary fiction story ideas
  9. Story ideas for kids and middle grade
  10. Comedy story ideas
  11. How to develop the prompt you chose
  12. Choosing well
  13. Start writing

Below are 108 story ideas, grouped by genre, each written as a single sentence containing a person and a problem. None of them are topics like "write about loss" — every one is a situation you could start drafting in the next five minutes.

Take one, change whatever you like, and use the two short sections at the top and bottom to turn it into an actual story.

How to turn a prompt into a story

A prompt is not a plot. It is a pressure point. Your job is to work out who is standing on it and what they cannot do about it.

Four questions turn any line below into a draft:

  1. Who wants something badly enough to act? A prompt with no wanting is just a setting. Give your character a want that can be stated in six words.
  2. What is stopping them? The obstacle should be specific and stubborn. "Society" is not an obstacle. A sister who holds the deed is.
  3. What happens if they fail? Write the worst outcome down before you write scene one. If you can't, the stakes are too low and the prompt needs raising.
  4. What is the last image? Knowing the final beat — not the meaning, just the picture — keeps a short piece from drifting.

If you'd rather generate something tailored to a character you already have, our AI story idea generator will build fresh premises around your own inputs, and the free AI story generator will draft a full story from any line on this page.

Fantasy story ideas

  1. A palace cartographer discovers that the kingdom's official maps have been quietly redrawn to erase the province she grew up in.
  2. A blacksmith who forges swords for heroes learns that every blade he makes eventually kills the person who commissioned it.
  3. The last dragon egg hatches in a country whose entire economy is built on dragon-hunting.
  4. A village hires a witch to break a drought, then has to decide what to do when her price turns out to be a year of everyone's memories.
  5. A young monk whose only duty is feeding the god chained in the monastery cellar hears the god answer back.
  6. A courier carrying a sealed peace treaty realises she can read the seal, and that the document declares war.
  7. Twin heirs are told that only one of them can inherit magic, and the ritual that decides it falls on their sixteenth birthday.
  8. A woman who speaks to the dead is hired by a murderer to ask his victim whether she forgave him.
  9. Every bridge in the city is alive, and one of them refuses to let a grieving father cross.
  10. An apprentice cataloguing a wizard's library finds a book that records everything she does an hour before she does it.
  11. A knight returns from a five-year quest to find her name has been reassigned to someone else in every official record.
  12. A ferryman who has carried souls for two centuries takes on a passenger who insists, correctly, that she is not dead.

Science fiction story ideas

  1. The first colonist out of cryosleep learns the ship reached the planet four hundred years ago and nobody else was ever woken.
  2. A translator assigned to first contact works out that the visitors are not negotiating with humanity, they are apologising to it.
  3. A woman buys a second-hand memory implant and starts recalling a murder from the previous owner's point of view.
  4. An asteroid miner's suit AI begins lying to him about his oxygen levels, and he cannot work out whether the lie is keeping him alive.
  5. A teenager on a generation ship discovers the destination was reached twenty years ago and the council voted to keep flying.
  6. A statistician auditing a death-prediction app notices that every user in one city has been given the same date.
  7. A soldier flying strikes by remote drone recognises a face in the target feed.
  8. The technician who tends Earth's last honeybee in a sealed vault is offered a fortune to leave the door open.
  9. A time-compliance officer whose job is preventing paradoxes finds proof that she is one.
  10. After mind-uploading is made free and universal, one woman refuses, and becomes the only witness left who can describe the physical world.
  11. A terraforming crew finds the planet already terraformed, and a note left by whoever did it first.
  12. A child born on Mars is flown to Earth for a diplomatic address and cannot survive the gravity long enough to finish the speech.

Mystery and crime story ideas

  1. A locksmith is called to open a safe in a house nobody has lived in for forty years, and the deed carries his own name.
  2. A retired detective receives a birthday card signed by a victim whose case she closed a decade ago.
  3. Everyone in a small town remembers attending a man's funeral; the man is in the pub on Friday night.
  4. A forensic accountant traces a stolen fortune to a charity that has been quietly paying her hospital bills.
  5. A night-shift radio host takes a caller who calmly describes a murder that has not been reported yet.
  6. The only witness to a hit-and-run is a boy who insists he saw the same car twice, ten minutes apart.
  7. A cleaner at a police station notices that one sealed evidence box gets heavier every week.
  8. A woman inherits her estranged sister's house and finds it wired with cameras, all of them pointing inward.
  9. A juror recognises the murder weapon as an item from her own luggage, lost at an airport three years earlier.
  10. A village priest hears a confession to a crime that will not happen for three days.
  11. An investigator hired to find a missing man discovers he has been declared dead in four countries, on four different dates.
  12. Half the runners in a city marathon test positive for the same rare sedative, and only the race photographer knows why.

Romance story ideas

  1. Two rival wedding photographers are booked for the same ceremony and have to share the one working lens between them.
  2. A woman who writes an anonymous advice column realises her most persistent correspondent is her ex-husband.
  3. Two neighbours who have argued about a boundary hedge for six years are stranded together when the road floods.
  4. A translator falls for the novelist whose books she has been quietly improving for a decade.
  5. A stranger films a proposal in a park and recognises the ring as her grandmother's.
  6. A grief counsellor starts falling for a widower who still writes to his wife every morning.
  7. Two people matched by a dating algorithm discover they lied on every single answer.
  8. A baker agrees to make the wedding cake for the man she has loved since school, one tasting at a time.
  9. Two pen pals of three years finally meet and learn that neither of them wrote the letters.
  10. A woman returns home to sell her late father's pub and finds the new landlord has kept her photograph behind the bar.
  11. Two soap actors cast as a divorcing couple are told to keep the fiction running offscreen after a tabloid photograph.
  12. A deaf cellist meets the sound engineer who has secretly been remixing her recordings for years.

Horror story ideas

  1. A family moves into a house where every mirror shows the room as it was ten seconds ago.
  2. A sleep-study volunteer is told he has not slept in eleven days, and he feels completely fine.
  3. A hospice nurse notices that patients all describe the same visitor in the corridor the night before they die.
  4. A man's smart speaker starts repeating conversations from before he bought it.
  5. A village rings the church bell nightly to keep something out; the new vicar decides one quiet night will do no harm.
  6. A woman finds a second front door in her flat that is not on the floor plan and is warm to the touch.
  7. A lighthouse keeper logs a ship that passes at the same minute every night, closer each time.
  8. A photographer's film begins developing pictures of rooms she has not entered yet.
  9. A boy's imaginary friend starts leaving written apologies for things that have not broken yet.
  10. Every guest at a dinner party remembers a seventh person; the host laid six places.
  11. A dentist removes a tooth that is not human, and it grows back twice.
  12. An entire town wakes at 3:04 a.m. and walks into their gardens; one man stays in bed and watches.

Historical fiction story ideas

  1. A young woman working a Cornish tin mine in 1840 disguised as a boy is the only one who feels the ground shift.
  2. A scribe in Alexandria is ordered to copy a scroll and burn the original, and the copy comes out different.
  3. An army cook feeding a Roman legion on the edge of mutiny has to choose whose orders to follow.
  4. A Victorian photographer paid to take post-mortem portraits begins to see his subjects blink.
  5. A Dutch tulip trader watches his fortune vanish in a week in 1637 and lies to his family for a month.
  6. A seamstress aboard a liner in 1912 sews a coat for a woman who will not be allowed into a lifeboat.
  7. A codebreaker in 1943 decrypts a message naming her brother's ship and cannot warn a soul.
  8. A midwife in Salem is called to testify about a birth she attended, knowing the truth will hang her friend.
  9. A Mughal court painter is ordered to paint the emperor a year younger each year until the portrait stops resembling him.
  10. A London lamplighter in the 1880s keeps a private list of the windows that go dark in the wrong order.
  11. A boy apprenticed to a Venetian glassblower learns that the guild kills anyone who leaves the island.
  12. A nurse who survives a 1919 influenza ward must decide whether to tell a family their son died alone.

Literary fiction story ideas

  1. A man clearing out his childhood home finds that his father kept every school report and opened none of them.
  2. Two sisters meet once a year at the same motorway service station and never discuss why.
  3. A woman realises she has been performing grief for a marriage that ended emotionally ten years before the divorce.
  4. A translator of a dead poet begins slipping in lines of her own, and nobody notices.
  5. A man who has taken the same train for thirty years gets off one stop early and keeps walking.
  6. A mother reads her teenage son's essay and learns that he remembers a night she does not.
  7. An ageing footballer coaching a village team slowly admits he was never as good as the town remembers.
  8. A couple spends a fortnight choosing a kitchen worktop rather than discussing the pregnancy test.
  9. A woman keeps paying her late mother's phone bill so she can still hear the voicemail greeting.
  10. A landlord evicts a tenant, finds the flat immaculate, and reads a letter addressed to whoever comes next.
  11. A man attends the funeral of a friend he cut off twenty years ago and is asked to give the eulogy.
  12. A young carer's world narrows to a single room, and she measures the year by the changing view from one window.

Story ideas for kids and middle grade

  1. A girl who is scared of the dark finds that her torch has a setting which shows what things are afraid of.
  2. A boy inherits his grandfather's chess set and discovers the pieces have been mid-game for forty years.
  3. The class hamster escapes and leaves a trail of very small notes asking for help.
  4. Twins swap places for a day and both learn the other's life is harder than it looked.
  5. A girl finds a library card that lets her borrow a person for one afternoon.
  6. A boy's drawings come true, but only the parts he rubbed out.
  7. The school caretaker tells one pupil that the building is older than the town and needs looking after.
  8. A girl who has moved eleven times finds a message from another girl who moved into all the same houses.
  9. A boy's dog keeps fetching things from a park that closed before he was born.
  10. Two friends build a raft to reach an island their parents insist does not exist.
  11. A girl who stammers is the only one who can pronounce the name that wakes the statue in the square.
  12. The lost-property box at school starts returning things that were never lost, only wanted.

Comedy story ideas

  1. A man books a restaurant for a proposal and has to sit through the entire staff rehearsing it for him.
  2. An office installs a wellbeing app that reads calendars and begins cancelling meetings on its own authority.
  3. A woman who attended one village association meeting by mistake is elected treasurer in her absence.
  4. A funeral director's teenage son livestreams the wrong service to the wrong family.
  5. A man wins a lifetime supply of a product that is discontinued the following week, and sues.
  6. Two rival food-truck owners are assigned the same festival pitch and one power socket.
  7. A typo in a woman's out-of-office reply reads as a resignation, and her manager accepts it warmly.
  8. A council unveils a statue of the wrong person and decides it is cheaper to rename the street.
  9. A man who has claimed fluent Italian on his CV for years is hired to interpret at his own wedding.
  10. A dog-walking app matches a man with the chief executive's dog, and the chief executive watches the GPS.
  11. Five housemates each secretly hire the same cleaner to report on the other four.
  12. A woman who lied about running a marathon is entered into it by her very proud family.

How to develop the prompt you chose

Pick one line and give it forty minutes. Here is the process on fantasy prompt 1 — the cartographer whose home province has been erased from the maps.

1. Name her and give her one want

Ilsa Vane, twenty-nine, senior map-ruler at the Royal Survey. Want, in six words: prove the province still exists. Already this is better than "wants the truth", because it implies actions — finding an old plate, finding a survivor, finding a road.

2. Decide who benefits from the lie

Every premise needs an opposing force with a motive, not a villain with a cloak. If the province was erased because the crown sold it to settle a war debt, then the antagonist is the treasury, and Ilsa's boss is a decent man protecting a pension. That is far more useful than a sneering chancellor.

3. Set the cost of failing

If Ilsa keeps pushing, she loses her position, her access to the archive, and the only proof she has. Write that down. It is the pressure that makes every scene tense.

4. Break it into five beats

  • She notices the discrepancy while correcting a routine reprint.
  • She finds the older engraving plate and understands it was deliberate.
  • She takes it to her superior, who offers her a promotion to drop it.
  • She travels to where the province should be and finds people living under a different county's name.
  • She has to choose between publishing and the safety of the people she found.

That is a complete shape, built in four steps from one sentence. If you want more structure at this stage, read our guide to plot structure and the breakdown of the key elements of a story, or let the story plot generator lay out a beat sheet you can argue with.

5. Write the first line before you plan any more

Planning is comfortable, and comfort is how prompts die in notebooks. Open the draft and write the moment Ilsa notices. Everything else can be fixed later.

Choosing well

Not every prompt suits every writer. Use this as a rough guide when you are deciding which of the 108 to commit to.

If you havePick a prompt whereBecause
An hourTwo people are stuck in one roomNo travel, no subplots, one clear turn
A weekendA secret has a deadline attachedThe deadline does your pacing for you
A novel's worth of timeThe lie is institutional, not personalInstitutions give you a cast and a world
Writer's blockThe first sentence is already an actionYou can start typing without deciding anything

One last thing worth saying: a prompt you half-like and finish beats a prompt you love and abandon. The ideas above are deliberately unfinished. The interesting part is what you do to them.

Start writing

Choose a number, answer the four questions, and get a draft down. If you want a premise built around your own character or setting instead, run it through the story idea generator — it is free, there is no sign-up, and it streams the result as it writes. Or hand any of these 108 lines to our AI story generator and see what the first draft looks like before you rewrite it properly.

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