A man posing as Candy robs one of Ben's elderly business associates; during the robbery, the woman suffers a fatal heart attack. Candy is quickly arrested and brought to trial. While Griff scrambles to track down the witness - a young woman with a checkered past of her own - who can prove that Candy is innocent, Ben has serious reservations about Candy's rookie defense attorney.
Unknown to the Cartwrights, Griff is asked to be a government witness in helping to bring a gang of war criminals to justice. Griff is asked to pose as the husband of beautiful Theodora Duffy, whom the Cartwrights think Griff had abandoned years ago.
During a delivery run, Joe meets Cpl. Bill Tanner, who turns out to be a war-deranged madman who enjoys stalking down his helpless victims before killing them. After stealing Joe's wagon and his supplies, the psychotic Tanner explains that Joe just became his latest "prey," and that he intends to stalk him down and brutally murder him. With no help in sight, Joe must rely on his wits and intuition to defeat Tanner.