This Mexican-filmed black comedy is one of the minor but no less characteristic works of director Luis Buñuel. The film begins with Archibaldo (Ernesto Alonso) being triggered by a music box into a lengthy reminiscence of his childhood. It was an average, everyday incident, one that undoubtedly has occurred to us all: Archibaldo was caught dressing up in his mother's clothes by his governess, who was then instantly killed by a revolutionary's bullet before she could tell on him. The experience proved to be Archibaldo's "first rush", and he spends the rest of his life trying to re-create the sexual euphoria of that moment - by murdering attractive women. Buñuel's characteristic perverse black humor then adds a twist, which prevents Archibaldo from fulfilling his desires.