Mary and Marshall take on a case involving Horst Vanderhoff, an agent for Lola, who's an assassin for hire. While trying to line up her next job, Horst is busted and agrees to testify against her to become a part of the Witness Protection Program.

After watching her mother audition for "Sweet Charity" Mary is kidnapped; in New Jersey, Brandi's boyfriend Chuck is abducted and two FBI agents are killed; when federal agents suspect a connection, a nationwide manhunt ensues.