While investigating a double homicide, the two detectives discover that the man and woman who died in a car identical to Starsky's were mistakenly murdered and it was the detectives themselves who were the intended targets.

Starsky and Hutch pursue two thieves who don't know their stolen car contains a powerful time bomb set to explode.

After drug addicts murder his wife, a used-car tycoon (Med Flory) races Starsky and Hutch (Paul Michael Glaser, David Soul) to find the killers (George Loros, Charles Napier).

Killers pursue the detectives as they transport a girl whose mobster father will testify if she arrives.

Drug dealers and the police accuse the detectives of taking $1 million in cocaine seized during a raid.

A hood (Robert Loggia) injects Hutch with heroin to force him to reveal the location of the gangster's girlfriend.