When a U.S. Marshal impersonator, Bob McGraw, starts killing people in a misguided attempt to capture fugitives, he becomes one himself. The case becomes personal when McGraw turns the tables on U.S. Marshal Annie Frost. Meanwhile, Luke gets a surprise visitor who threatens his relationship with the U.S. Marshal team.

Cast: Kelli Giddish, Cole Hauser, Jesse Metcalfe, Amaury Nolasco, Rose Rollins, Meagen Fay, James Ingersoll, Dean Norris, James Michael McCauley, William Lee Scott, Brett Brock, Luke Coffee, Craig Cole, Tom Costello, Kennith Edwards