American Psycho’s ending reveals how many victims (if any) Patrick Bateman actually killed, how much of the movie takes place in his unhinged mind, and the overall deeper meaning. The movie's conclusion makes a point of leaving its events ambiguous during the discomfiting, blackly comic finale, demystifying none of its strange and seemingly contradictory occurrences. Based on the novel of the same name by Bret Easton Ellis, American Psycho sees young Wall Street banker Patrick Bateman (Christian Bale) engaging in increasingly shocking, grotesque misdeeds throughout the movie while still working his day job and finding time for social events.

By the midpoint of American Psycho, Bateman has begun attracting attention, which leads to Jared Leto’s appearance as Paul Allen ending with an ax through his skull. Bateman begins committing more and more outrageous crimes in American Psycho, culminating in the bloody chainsaw slaughter of two women in an...