You’re a taxi driver. You’re flagged down by a guy but it’s not until he climbs in the back of your cab that you realise he’s bleeding. What do you do? Who is this guy? What’s he running from? Is he running from anything? What’s he carrying? Is he a hero or a villain? Do you help him?
What happens next?
Write a story as long or as short as you want using this as your starting point.