American Psycho is a satirical psychological horror film directed by Mary Harron. The movie is based on the novel of the same name by Bret Easton Ellis. It follows the story of a wealthy investment banker who leads a double life as a serial killer. American Psycho satirizes the excesses of 1980s yuppie culture and the shallow materialism of the era. The film's dark humor and biting social commentary make it a compelling and thought-provoking satire. With its intense performances and stylish direction, American Psycho is a chilling and satirical exploration of the dark side of capitalism.