People in the witness protection program become victims, and the team sets out on the case to find the killer. Meanwhile, Chief Mannion gets a specialty sandwich named after him, which then becomes ""hard to swallow.""

Mannion gets involved in a local murder investigation when he travels to a small town to fight a warrant for his arrest for a traffic violation. Meanwhile Temple and Debreno look into the disappearance of an armored truck owned by the company the Temple works for part time.