Mitchell is on leave for a few days and Carlos meets a new patrol partner. Jenkins doesn't seem like a bad guy but apparently there's a lot about Carlos he doesn't like. Suddenly the security Carlos has always felt as a member of the police force disappears when his partner fails to protect him from a violent attack by strangers. Suddenly, TK finds himself on the other end of the phone when he gets a call from the hospital telling him that Carlos has been badly injured in the emergency room.