In Miami, FL, Detective Freddy Ponce and Sgt. Louis Melancon unravel the mystery of a man found shot dead in his car. The key to the case could be the victim's cell phone, which was stolen shortly after the murder. In Memphis, TN, Sgts. Caroline Mason, Tony Mullins and JT Max investigate the murder of a man found shot dead in a backyard. After they capture the man they believe is their suspect, the case takes an unexpected turn.