Oscar-winning character actor Strother Martin makes a return visit to Baretta, this time in the role of an embittered doctor named Shaner. Having given up on humanity, Shaner has become a professional bounty hunter. Undercover cop Tony Baretta (Robert Blake) finds himself in the uncomfortable position of preventing Doc Shaner from killing a scuzzy drug pusher who caused the death of a wealthy banker's daughter. ~ Hal Erickson, Rovi