Four socialites unexpectedly clash: heiress Brooke Carter runs into gambler Johnny Spanish at the race track while playboy Michael O. Pritchard nearly runs into stage star Kitty O’Kelly with his car. Backstage at Kitty’s show, it turns out she and Brooke are old friends who attended public school together. The foursome do the town, accompanied by Brooke’s companion Elizabeth, who throws herself at Michael’s butler and chauffeur Rodney James.

When a madman dubbed ‘Scorpio’ terrorizes San Francisco, hard-nosed cop, Harry Callahan – famous for his take-no-prisoners approach to law enforcement – is tasked with hunting down the psychopath. Harry eventually collars Scorpio in the process of rescuing a kidnap victim, only to see him walk on technicalities. Now, the maverick detective is determined to nail the maniac himself.