American Psycho is a psychological thriller film based on the novel of the same name by Bret Easton Ellis. Christian Bale delivers a chilling performance as Patrick Bateman, a wealthy investment banker who leads a double life as a serial killer. The film delves into the dark and twisted mind of Bateman, exploring themes of materialism, narcissism, and the emptiness of the 1980s yuppie culture. Bale's portrayal of Bateman is both disturbing and captivating, making 'American Psycho' a must-watch for fans of psychological thrillers.