Claudia Winkleman returns with the 3rd series of the reality game show. She welcomes a fresh batch of players to a castle in the Scottish Highlands, selects the Traitors and they then meet in the tower to select their first victim.
Dan Hawk, an ex-detective turned writer, is re-instated onto the force after returning to his home town. A serial killer has 'donned the guise' of Hawks most famous book creation, and has begun to kill people off one by one.
When Max Causey was six, he accidentally killed Santa. 12 years later, Max rectifies his mistake by resurrecting him, but soon realizes the creature he created is a bloodthirsty killer and it's headed right to his friend's Christmas party.