After a car accident, Detective Michael Britten experiences two duelling realities, one where his wife was killed and another in which his son's life was claimed.

In one world Michael tries to reconnect with his son, while in the other he tries to understand his wife's grief; a clue in a case in one life crosses over to a case in the other, confusing Bird.

Detective Michael Britten's two worlds spin out of control when his son Rex is kidnapped by an escaped convict, Cooper, a man Britten arrested 10-years ago.

While investigating an alleged suicide during an upscale yacht party with Detective Vega, Detective Britten runs into Rex's former babysitter Kate.

Detective Britten suddenly becomes a suspect in his own case when an FBI agent, Santoro, questions his methods of tracking down a serial killer thought to be dead.

While working a hostage situation, Detective Michael Britten unexpectedly finds himself collaborating with Dr Lee.