
Basic Instinct (1992)
Ending / spoiler
Directed by: Paul Verhoeven
Starring: George Dzundza, Jeanne Tripplehorn, Michael Douglas, Sharon Stone
Although you find out that the detective's girlfriend had an unhealthy obsession with Sharon Stone's character, it turns out that Sharon Stone's character is the murderer... the last shot is the ice pick under her bed.
Dion