Pull back the curtain on bizarre double lives and see the real stories of men and women who thought they were happily married, until the day they uncovered a shocking secret about their spouse leading them to wonder who it is they really fell in love with.

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.

During the traditional carnival celebrations, the dead body of a young girl is found near the small town of Bellinzona, in Southern Switzerland. The officers engaged in the case find themselves investigating crimes rooted in a past full of shadows.