When a series of murders seem to follow a new ex-con witness, including stabbing Mary's friend, she and Marshall have to figure out if he's the killer in time to save his next victim.
When Brandi is arrested by Agent O'Connor for drug trafficking and murder, Mary races to find a way out for Brandi and the sordid motive for his vendetta.
After briefing a new witness, whose testimony is contingent on visitation rights with his son, Mary learns the son is missing and sets out to find him.
The barely legal daughter of Mary's witness - a Miami racketeer - finds herself in a dangerous romance, just as Raph's mother visits to prepare an engagement feast for the surprised Mary.
Mary serves as Technical Advisor to The Marshals Service new training video, while Marshall arranges to get one of Witsec's charter members, a geriatric goodfella (Martin Landau) from the Philly Mob, to his son's funeral.
