Crime novelist Catherine Tramell is living in London , and becomes the centre of police investigation (yet again) when her football player boyfriend drowns in a car accident and it is revealed that he was already dead because of a drug overdose before Tramell drove the car into water . Police psychoanalyst Dr. Michael Glass is called for examining Tramell , and is intrigued by the seductive and manipulative woman . On the other hand , his friend Det. Roy Washburn is sure Tramell is guilty . Tramell asks Glass to treat her for her risk addiction problem , and with each therapy session , Glass gets more and more suspicious about her intentions . As more and more murders are committed , including that of Glasss ex-wife , Glass becomes obsessed with proving Tramells guilt even though the evidence is contradictory .