Thriller Story Ideas

Thriller premises that already have a clock. Pick a line and let your group narrow the room with every turn.

1. A hostage negotiator realises the kidnapper is calling from inside her house.
2. A jury foreman is being followed home by another juror.
3. A nurse on a graveyard shift finds the same patient admitted three times under different names.
4. A train guard discovers all twelve sleeping passengers in carriage F share a passport photo.
5. A whistleblower drops a USB stick in a stranger's coat at a coffee shop and runs.
6. The witness protection officer is the witness.
7. A bomb disposal expert is told to defuse a device built by her father.
8. A flight attendant realises the cockpit door has been locked from the inside for nine hours.
9. A nurse is the only witness to a death the patient survives.
10. An off-duty pilot recognises a passenger from a no-fly list.
11. A divorce lawyer's new client is her own husband.
12. A live news anchor is told to read a scripted name during the bulletin.
13. A school caretaker finds a stranger's mobile phone in every locker.
14. A retired spy is contacted by the agency she pretended to retire from.
15. A junior banker is asked to authorise a transfer to herself.
16. An estate agent finds a tracking device in a house she hasn't sold yet.
17. A long-distance trucker realises she has been driving in a circle for six months.
18. A defence attorney is offered a confession by the wrong man.
19. A surgeon discovers a microphone inside a patient.
20. A taxi driver is told to keep driving and not stop until the meter says zero.