David Corelli is an ambitious assistant district attorney in San Francisco. While attending a black tie affair as the guest of his college friends Matt Gavin, a prominent lawyer, and his wife Trina Gavin, a clinical psychologist, David is called to the scene of a murder: the San Francisco home of a prominent millionaire. While investigating the crime, which leads all the way to the office of the governor of California, David is confronted by the realization that Trina is a prime suspect in the murder and her husband is planning to defend her.