Sheriff Lamb is kidnapped by a suspect bent on revenge, and is forced to dig his own grave. Meanwhile, Savino and Rizzo are roughed up by a rival mob and must come up with a deal quickly to try to save their lives, and Katherine and Laura embark on a new partnership.

Jack is in dire trouble when he's blindsided by Mia's father, Rizzo, who wants to grill him about his daughter. Meanwhile, Dixon saves a drowning girl and discovers she was poisoned, and Savino and his Savoy crew find themselves stranded in the desert overnight.