In 2045, the Ice Age suddenly came and civilization collapsed. As a searcher for the Seventh Vault, Ling struggled in the hell of minus 50 degrees Celsius every day, just to bring back precious diesel for survival. During a routine mission, he not only brought back energy, but also brought back an unknown creature attached to an oil drum that shone with an ominous blue light. Is it the answer to doomsday, or a deeper nightmare? In this eternal frozen desperation, hope and crisis are ignited at the same time.