A professional female impersonator, whose headline act is a perfect imitation of 1930s movie star Carol Marlowe, is overwhelmed with an alternate personality -- and murdering any man who is unlucky enough to be attracted to "Carol."

Crooks heist a truck filled with gold, not knowing that the gold is the irradiated byproduct of a power plant experiment and extremely toxic.

A vigilante is methodically and savagely wiping out criminals who have managed to slip through the fingers of the legal system.

A sleazy radio host is accused of murder when a former girlfriend, who was pregnant, is shot.

Stone and Keller search for the only eyewitness to a shooting -- a self-proclaimed doctor who gave them a false name.

Misguided radicals take a jury hostage in a case where corrupt "movement leaders" are being tried for murder.

A flute-playing "Pied Piper" (played by Ricky Nelson) talks teenage girls into prostitution, then disposes of them when they are no longer convenient. Stone's daughter helps him break up this murderous prostitution ring.

Alcoholic officer Joe Landers accidentally gets his partner killed and clumsily tries to cover it up as Stone and Keller work their way to the truth.

Mike's former partner returns to San Francisco, but not because of any longing for the good old days. He's back in town to kill the hired gunman who murdered his son years before.

While a psychopathic killer uses San Francisco hi-rises as target practice, Stone and Keller have to contend with a new Captain who immediately countermands everything they do.

When a gang of smuggling sailors kills a jeweler, they realize they have to eliminate his girlfriend for being a witness, and Keller, who is transporting the girlfriend to jail.

Property owners who refuse to sell their parcels find themselves murder victims at the hands of a developer.

A teacher is murdered at an exclusive all-boys prep school.

Mike and Inspector Dan Robbins make a last-ditch effort to save the jury from execution at the hands of the radicals.

A nice, normal 16-year-old hooker keeps having her johns turn up dead; Dan is particularly horrified by the case.

An abused wife vanishes after a vicious attack by her drunken husband and all clues point to murder with the husband as the prime suspect, but he can't remember if he did it or not.

When a lady cop is killed in a drug sting gone wrong, her boyfriend cop decides to take matters into his own hands. Stone and Keller try to stop him.

Four judges have been murdered, and in each case an obsolete pamphlet on disbarrment proceedings is found near the body...

Stone must protect a former book keeper's wife, in order to have her testify against several high profile mobsters who want her dead because of the evidence she has against them.

An episode where there are two parallel stories: A small business owner is going through divorce proceedings while his business is in financial straits. His wife's lawyer just happens to also be hunted by a revenge-seeking ex-con.

Keller and Stone's sole witness in a jewel robbery turns out to be a compulsive liar.

The death of a night-watchman during a burglary puts Stone and Keller into the midst of a spy-vs.-spy conflict between high-tech industrial espionage firms.

Inpector Stone and Robbins go after a gang of thieves who use motor cycles to make their get away.

A cop-killer's henchmen hunt the only witnesses to his crime, an officer and an informer.

A narcotics cop who has only four months to go 'til retirement roughs up a drug pusher and plants a knife on him. Meanwhile, an operation begins to uncover the "Tucson connection," a major drug ring operating in San Francisco.