Violence-prone Sledge Hammer is assigned to head up the investigation when the mayor's daughter is abducted, but he predictably objects to a requirement that he work with female detective Dori Doreau.
A local TV newscaster creates bitter public feeling toward the police department when he reports and editorializes adversely on what he sees during a day-long ride with Sledge and Dori.
Prison escapee John Kogan commandeers a bus and launches a one-man wave of crime and violence, pledging to stop only if Sledge agrees to meet him in a one-on-one gunfight.
Sledge is assigned to bring order to a notoriously dangerous local high school that is dominated by four young toughs who supply stolen cars to a crime boss.
The commissioner personally assigns Sledge to guard Captain Trunk in order to ensure the Captain's safety until he is able to provide critical testimony before a grand jury.
Sledge becomes even more violent than usual as part of an attempt to infiltrate a group of vigilante police officers who are executing recently acquitted criminal defendants.
Sledge and Dori pose as a well-to-do childless couple in an attempt to catch a pair of thieves who steal babies and sell them to prospective parents with ready cash.
Sledge becomes a contestant on "The Million Dollar Question" in an attempt to prove that the show's host was responsible for the murder of a successful contestant.
After Sledge arrests the leader of a Satanic cult, the undermanned precinct soon finds itself under siege by a mob of the cult leader's bloodthirsty followers.
A man shows up claiming to be Hammer's brother but Hammer claims he doesn't have a brother. Everyone's taken with him including Doreau who goes out with him. But while on their date she catches him in a lie proving that he isn't Hammer's brother.
Bad news for the city's scum suckers: a blow to the head results in Dori Doreau adopting the ultra-violent personality and mannerisms of her partner, Sledge Hammer.
The Earl of Curl beauty parlor is a front for a cat burglar ring targeting wealthy women. Sledge infiltrates the ring by going undercover as a second-story man.
Sledge is on trial for the cold-blooded murder of racketeer Hugo Victor. Serving as his own attorney, Sledge sets out to prove his innocence in the face of overwhelming evidence of his guilt.
A bevy of bikini-clad 'terrorettes' steal a nuclear warhead and threaten to blow up the city unless their billion dollar demand is met. Sledge and Dori trace the suspects to a health spa operated by aerobics video magnate Jill Taylor.
