Detective Ambrose investigates a tragic yet suspicious car accident on the outskirts of Dorchester.

Ambrose looks into Jamie and Nick's relationship before the crash. Jamie begins to unravel.

Ambrose investigates Jamie's past. Leela gives birth as Jamie's anxiety reaches a breaking point.

Ambrose pursues Jamie through New York City and tries to prevent another homicide.

Ambrose urges the NYPD to investigate Jamie for a new crime. Jamie struggles to salvage his life.

After a major turn in the case, Ambrose's tactics are scrutinized.

Jamie seeks vengeance, putting him on a collision course with Ambrose.