The booking of a drunk clown and a mishap involving airplane lavatory ""residue"" pale in comparison to what becomes the day's priority for the sheriffsâ€"finding a ruthless murderer. Barnes hopes an ex-con now in the business of gang intervention can lead them to the killer, and, during a frightening confrontation, Rico's respect for his training officer increases.

As Rico just gets used to being tourmented by Barnes; Barnes suffers from a dizzy spell, he is put on desk duty. Amonte gets a new temporary Training Officer, a tough, brassy senior deputy Ryan Layne - a twelve-year veteran.