The plot concerns the unorthodox attempts of a Basque priest (Angulo) to avert the birth of the Antichrist in Madrid during Christmas Eve, teaming up with a metalhead (Segura) and an occult fraudster (De Razza).

The film, marketed as "a satanic comedy",[2] was well received by critics and audiences in Spain, and sparked interest in the director's filmography and style of directing.

It earned numerous accolades, including the Goya Award for Best Director for Álex de la Iglesia.

He goes to a record store and meets José María, a self-described Satanist and heavy metal fan from the popular neighborhood of Carabanchel, who gives him a tape of the most "evil" band he can think of.

Ángel then goes back to the boarding house, drugs Mina, and draws some of her blood, but José María's mother sees him and tries to kill him with a shotgun.

However, a he-goat appears in the room and stands on its hind legs in front of Ángel, then disappears.

The three men engage in a fight with an extreme-right gang that has holed up there and has been seen throughout the film murdering homeless people and spray painting Limpia Madrid (transl.

It featured bands such as Ministry, HeadCrash, Pantera, Sugar Ray, and Def Con Dos.