The frozen world of Svartos is home to the unique spaceport of Iceworld, which is home to more than just intergalactic commerce. In its shadowy caverns, an ancient evil searches for a way to be free.This week, Paddy and Tricia follow The Doctor and Mel as they arrive on the planet in search of a legend an end up encountering an old accquaintance, a fiery new friend and a terrifying foe as roam the corridors. Can they discover the secret treasure and uncover all its secrets or will they fallen victim to the legendary Dragonfire.