Nic and Joe are dead and Merlin the storyteller must try to rescue their legend from the mists of time, with one last story and a little help from a few familiar faces, like thingy and whatsit.

The epic finale to the interminable series tells of a Christmas miracle, which sees Nic and Joe come face to face with a new friend - in the vague snow-based shape of Dave Benson Phillips. What could possibly go wrong...?