New York psychologist Dr Bill Capa (Bruce Willis) is stunned when an old friend and colleague is brutally stabbed to death. Capa believes the vicious murderer to be one of the members of a therapy group. While all around him falls apart, he finds Rose (Jane March) and they embark on a reckless and passionate affair of erotic sexual discovery. But is there more to Rose than meets the eye? He will only know if he survives long enough to find out.