Det Michael Britten finds himself in one of two different realities every time he wakes up.
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; in another reality, Michael tries to understand his wife's grief; a clue in a case in one life crosses over to a case in the other, confusing ...
Rex is kidnapped by an escaped convict Michael arrested 10 years ago; an investigation in Michael's other reality gets in the way of an event honouring his deceased son; clues from both realities l...
Detective Britten runs into Rex's former babysitter, Kate, during an investigation into an alleged suicide; while working a case with Bird, Kate appears again, but this time as a suspect.
When his tracking methods are questioned, Detective Britten becomes a suspect in his own case; Hannah considers moving to Oregon to continue school; the doctors think Britten could stop his dreams ...
A hostage situation leads to Detective Britten unexpectedly collaborating with Dr. Lee; Bird is concerned over Britten's lack of sleep.
Britten's interest in a tip linked to a case he was investigating before the accident worries Capt. Harper; Hannah prepares for the move.
Detective Britten helps reunite and prepare a couple for a new life in the witness protection programme; an introduction between Detective Vega and Britten's long-time informant doesn't go smoothly.
The final play in a big football rivalry happens differently in Detective Britten's two realities: Rex's heart is broken, and Vega and Hannah plan a going-away party for Britten.
Bird and Britten investigate what appears to be gang violence; Hannah faces a tough situation with Rex and his girlfriend; Capt. Harper is forced to take back a promise.
An unusual dream disrupts Britten's ability to switch realities, and a mysterious man causes him distress; Capt. Harper becomes increasingly concerned over Britten's erratic behaviour.
As Britten starts to realise the truth behind the accident, a conspiracy threatens both of his realities; Britten goes after Detective Hawkins; Vega starts to question his captain's intentions.
As Britten starts to realise the truth behind the accident, a conspiracy threatens both of his realities; Britten goes after Detective Hawkins; Dr. Lee and Dr. Evans come together in a debate that ...