Risk-taking crime novelist Catherine Tramell finds herself in trouble with the law again after a car accident in London leads to the death of her companion. Suspected of foul play due to her provocative and dangerous lifestyle, she becomes the subject of an investigation. The authorities appoint psychiatrist Dr. Michael Glass to evaluate her psychological state, leading to a tense and complex interaction between the two. Glass, known for his expertise in criminal psychology, faces a challenging task as he tries to discern the truth behind Tramell's actions while grappling with her seductive and manipulative nature.

As Dr. Glass delves deeper into the case and Tramell's intriguing world, he finds himself drawn to her enigmatic personality, blurring the lines between professional duty and personal fascination. This attraction leads to a dangerous game of cat and mouse, with Glass questioning his own judgments and motivations. The investigation reveals a web of intrigue, deceit, and hidden agendas, putting Glass in a precarious position where he must navigate the treacherous waters of his professional ethics and personal desires. As the plot thickens, the psychological duel between Tramell and Glass intensifies, setting the stage for a confrontation filled with unexpected turns and revelations.