After rehearsing for a benefit performance at the Los Angeles County Fair, Tony Blake spots a man being pummeled by two assailants. After rescueing him in his Corvette, Tony discovers that the victim, Albie Allikolos, is a horse breeder whose horse was recently crippled by an unknown attacker. Attending an outdoor party thrown by Albie that evening, Tony sees Albie shoot a creditor after a heated argument. Tony suspects a frame up, and, in attempting to vindicate Albie, uncovers an elaborate criminal horse racing scheme and finds his own life endangered.