What would happen if, one year, Santa Claus was forced to cancel his Christmas Eve appointment with the world’s children?A few days before Christmas, the famously cheerful and magical giver of gifts has an accident on his sleigh, right in the middle of Madrid. He ends up in hospital, which is where he’ll have to stay until after Christmas. Fortunately, the guy he’s sharing a room with at the hospital, Salva, is willing to step in and take on his all-important Christmas work. But it won’t be easy… the Christmas countdown clock is ticking and Salva has to find the reindeer, learn to fly the sleigh and, the most difficult part of all… learn to be a good person.

The Three Wise Men, fed up with Santa taking more and more prominence from them, have decided to confront each other without knowing that this war will awaken a much more dangerous common enemy, the Krampus, who had been inactive for centuries.

Erica, an American translator, secretly revises a novel set in Barcelona. Everything is fine until bookstore owner Nico invites the credited author, Anna, to the city for a book-signing.