When an Iraqi boy is killed during a police pursuit, Stanley and Jennifer clash with their federal counterparts to solve the case - was it a tragic accident or was he murdered? Meanwhile, Duncan's future in the force is in doubt, with Jarvis determined to see him kicked out of Homicide. Then a teenager walks in off the street and drops an explosive murder onto Duncan's desk.

The murder of a prison inmate exposes his hidden identity...how hard should you try to find him when the victim appears just as evil? Jennifer is cornered by a dangerous past acquaintance and Simon struggles to cope with the aftermath of the deadly gold heist.