Two Los Angeles detectives are assigned to track down and arrest a brutal rapist-murderer terrorizing the city. Their job is complicated by the fact that the killer is able to avoid capture because he can pose as a woman.

Shot on location in Miami, Racing Fever is concerned with a professional hydroplane racer named Pop Gunner, who's getting ready for one last race before passing his crown on to his son Lee. Pop's main competition is the wealthy, but oily, Gregg Stevenson, who also happens to be having an affair with Pop's daughter Linda.