Wealthy used-car dealer Zack Tyler and his wife stop to help two men seemingly having car trouble, only for the two thugs to rob Zack, and rape and murder his wife. Starsky and Hutch work all out using their underground contacts to track down the two murderers, but they don't quite realise that once they have found the culprits, that Zack intends to get even with his wife's killers by taking the law into his own hands...

Dressed as flashy hustlers and using a beautiful blonde as a bait Starsky and Hutch pose as a pair of high rolling heroin dealers, climbing up the underworld ladder to nail the city's top dope distributors

John Colby, an old friend of Starsky and Hutch's, returns to town, and asks them to use their connections to help him find his ex-wife Karen. But as they look for the woman, the duo find that there are things that don't quite add up, and, unbeknown to them, the man holds a sinister and deadly secret...

After they arrest two ploughboys who soon after die of poisoning, the Detective pals pose as country boys in order to track down some Southern moonshiners who have brewn a bad batch of bootleg whisky. But the ruthless head of the innocent operation is determined to continue pushing the lethal brew at any cost...