In 1991, American Psycho, the third novel by controversial writer Bret Easton Ellis, provoked heated discussions among critics and readers alike; an extraordinarily disturbing book that transported its readers into the mind of Patrick Bateman, a cynical mergers and acquisitions executive obsessed with brands, inconsequential details, pop culture and brutal murder.

A documentary on the expletive's origin, why it offends some people so deeply, and what can be gained from its use.