The town of Tlalpujahua, Mexico is the Christmas decoration capital of the world, where every day feels like a holiday. But just as factory worker Elena, and the town at large, start to lose their festive cheer, something unexpected happens. A sentient computer begins to ask questions about the meaning of Christmas, and things start to change...

Linda brings her new boyfriend, Kevin, home for the holidays. He's kind, considerate, and gets along with her parents (phew). There's just one teensy catch: he also happens to be an immortal, blood-sucking vampire, who, due to an unfortunate experience at an extra-dimensional potluck, nurses an eons-old rivalry with Santa Claus - and it's Christmas Eve