A new heart-stopping thriller from the author of The Wild Girls in which two couples go on vacation and murder ensues.

How well do you know your friends?

Four friends are on the vacation of a lifetime in Thailand. Until a vicious murder shatters their paradise.

Four friends who would do anything for each other—until now.

Only one of them committed a crime.

But all four know how to keep a secret.

And they're all guilty of something...