When a car mechanic is murdered execution-style, Shaw and Riley suspect his job was a cover for more sinister talents; as the trail gets underway for the arrested suspect, Baxter, Price and Maroun are faced with who should answer for the crime.

When a model is murdered, Shaw and Riley believe their suspect may have escalated an obsession to violence; Maroun's efforts to place the suspect near the scene of the crime leave Price in a bind when the evidence may not hold up in court.