Having failed to contact Arden, the base personnel assume something bad has happened. Moments later, the video link appears, operated by Victoria, who tells them of the danger of the Ice Warriors. An Ice Warrior is sent to capture Victoria again and use her as bait. The Doctor decides to go to the spaceship and rescue Victoria. Before leaving, he takes a phial of ammonium sulphide, which he deduces will be noxious to the aliens. However, Victoria flees into the icy caves. When the Ice Warrior finds her, he is caught in an avalanche and crushed.