The band DEATH CAT goes to war with Corporate Clause, Evil Martians and Elf Robots after Grandma has been murdered. The band exposes the origins of Christmas as they fight to save real Santa from Krampus.

Twenty years after his teenage crush on a football-mad schoolgirl, Gregory is back at his old school, teaching English. When two of his pupils uncover evil practices at a local factory they want their teacher to help them expose the wrong-doer, who happens to be Greg's old schoolfriend.