Agent Jesus Juarez (aka Chucho) has always played the Devil in his town's Nativity Play. This Christmas, when the new pastor of the church recasts the role, the two men engage in a battle between good and evil.
Three best friends and dedicated roleplayers take to the woods to reenact a dungeons and dragons-like scenario as a live action role-playing game. Trouble arises when a prop spellbook purchased from the internet ends up being a genuine grimoire and they unwittingly conjure up a blood-lusting succubus from hell.
Father Maurice, a priest living in a residential college for priests in Rome, is called out one day to "exorcise" the devil from someone. The devil turns out to be in the form of a fun-loving man called Giuditta. What Father Maurice doesn't know is that this type of devil will turn his life around.