Ray is brought in by the police, only to find out that the Captain, Nelson Riskin, wants to "hire" him, favor for favor. Riskin is being framed for his wife's murder. Helped by Riskin's assistant Candace, Ray goes undercover in a variety of guises. He eventually finds out that Riskin had incriminating information on a former Police Chief, Donald Dixon, who is now running for governor. Dixon and his squad of policemen framed Riskin. Ray escapes an execution squad, and reveals the evidence to Dixon's political backer. Dixon and his head goon try to escape, only to be stopped by Ray. At the end, Riskin is cleared but is unaware that Candace is romantically interested in him.

Women are mysteriously being murdered by a serial killer. Each of them advertised for help using an ad for a black Stingray Corvette, and the murderer drives around in a Stingray. One of Ray's former clients, a councilwoman, helps to bring him in. Ray pulls in a favor or two to get out of jail, and begins to investigate. He eventually finds out that an old friend from his mysterious past, Edward Benton, is trying to get revenge on him. During a mission in East Germany, Benton was left behind and imprisoned and tortured as a spy. Now he is seeking to even the score. Ray tracks him down and rather then let himself capture, Benton drives his car into a wall.

Ray recreates a space isolation experiment to try and clear an old friend of murder charges which stem from the fact he was the sole survivor of the first experiment.

An artist, a former client of Ray's, is getting threatening calls from a stalker who Ray helped her out with, years before. In fact, the guy apparently died during his final encounter with Ray the last time around. The trail leads to a relative of the first stalker who is trying to get revenge.