A small-time narcotics user named Benny Trounsel has been beaten to death shortly after tipping the cops to a new narcotics ring in town. Detective Sergeant Joe Friday has been assigned to narcotics detail. For more than 2 months Doctors offices have been burglarized, hospitals pillaged, drug stores robbed and drug supplies ransacked with only one purpose in mind, the theft of narcotics. The criminals are experts, vicious, cunning and its Friday's job to get them.