When a former rock star is brutally murdered with an ice pick during sex, San Francisco detective Nick Curran is assigned to the case. The prime suspect is the victim's girlfriend, Catherine Tramell, a beautiful and enigmatic crime novelist whose latest book mirrors the murder exactly. As Nick gets drawn into her seductive world, the line between manipulation, obsession, and reality begins to blur. Meanwhile, Catherine remains cool, calm, and always one step ahead—leaving everyone to wonder if she’s innocent or a dangerously clever killer.