On a rain-soaked Memphis morning, Sgts. Tony Mullins and Mitch Oliver respond to a drive-by shooting, and learn that the victim is an innocent bystander. The man who says he was the intended target lead Mullins and Oliver on a manhunt for two brothers alleged to be the driver and the shooter. And in Dallas, when a man is shot to death in a van, Det. Dale Lundberg must untangle a web of conflicting stories about the man's identity to try to find his killer.