The future looks bright for Boston couple John Bodine and Ruby Dawes. John's online gaming business is growing, and they're planning a family. But when Ruby receives a life-changing diagnosis, and their insurance won't cover her treatment, John makes a risky move. He steals a customer's identity and files a false medical claim. It works perfectly - until the customer contacts John with a startling proposition...If John and Ruby play a little game he's devised, he won't report their fraud. The rules of 'Criminal' are simple: commit real crimes. But if they fail, there will be deadly consequences. John assumes it's a sick joke - until people start dying. Now John and Ruby can't disappear - and they can't go to the police. Their only option is to keep playing, while trying to outwit a psychopath who has no intention of letting them leave this game alive...