A young man who arrives at a remote island finds himself trapped in a battle for his life.
The story revolves around a Basque Roman Catholic priest dedicated to committing as many sins as possible, a death metal salesman from Carabanchel, and the Italian host of a TV show on the occult. These go on a literal "trip" through Christmas-time Madrid to hunt for and prevent the reincarnation of the Antichrist.
A band of medieval mercenaries take revenge on a noble lord who decides not to pay them by kidnapping the betrothed of the noble's son. As the plague and warfare cut a swathe of destruction throughout the land, the mercenaries hole up in a castle and await their fate.
