One week. Nineteen thousand pounds. A dangerous game. Can she win or will she die?

Since their parents died, Cassie and Sam only have each other. And now Sam is in trouble.

Sam has got involved with the wrong guys and he owes them money. When he is found beaten and bloody, Cassie knows these people will stop at nothing.

Sam has one week to find nineteen thousand pounds.

There's only one way to make that much money that fast: DareMe - a new social media craze that is sweeping the nation, where players film themselves completing reckless dares for money.

The only way Cassie can help Sam is to join the game.

But the deeper Cassie gets into the dares, the more dangerous they become.

Soon, Cassie isn't just playing for money, she's playing for her life.

A breathless, nail-biting thriller, perfect for fans of John Marrs, Blake Crouch, Squid Game and Black Mirror.