The world is held in the grip of a second Ice Age, and faces total destruction from the rapidly advancing glaciers. DOCTOR WHO, with Victoria and Jamie, lands at a top scientific base in England, where they have just unearthed an ancient ICE WARRIOR. Aliens from Mars, preserved in the ice for centuries and now revitalised, the Ice Warriors feel ready to take over… Can the Doctor overcome these warlike Martians and halt the relentless approach of the ice glaciers…?