Family man Joe Petrus is living the American dream with his fiancé and step-kids. However, unbeknownst to them, Joe was involved in a mysterious crime three years ago and now his dangerous past is about to catch up with him. When a killer starts targeting the crew behind the crime, Joe realizes it's only a matter of time before his family is targeted. He returns to London to track down his old gang and find out who is coming after them.

Culprits ran for 1 season. No new episodes are scheduled.