Starsky, Hutch, and two other Officers respond to an armed robbery on a jewellers, only for a woman to accidentally get shot dead from the gun-fire from one of the lawmen. The dead woman's husband is a Special Agent, paranoid after being retired from the service, and convinced that the Officers were really hit-men after him, and sets about extracting his revenge on each of the Cops involved in the death of his wife.With the man an expert in specialist weapons, Starsky and Hutch must stop the deranged Agent before he uses his expertise training to wipe them out...

The intrepid Detectives investigate a woman's claims that a jealous brief acquaintance from San Francisco has followed her to the city and is responsible for the vicious murders of a string of the her lovers. But there is a sinister twist to the case, and Starsky unknowingly places himself in great danger...

A former partner of Hutch's arranges the murder of a witness in order to pay off his wife's gambling debts.