A dedicated Catholic priest, Father Ángel Berriartúa, deciphers a code in the Book of Revelation to prevent the end of the world and identifies Madrid as the likely location of the event. With time running out, he teams up with an unlikely duo, a Black Metal fan and an occult expert, to uncover the beast's birthplace and become an unrelenting sinner to stop the apocalypse.
The Day of the Beast
A priest, a Black Metal fan, and an Italian occultist join forces to commit sinful acts and prevent the birth of a mythical creature, but the priest's moral descent raises questions about redemption.