A group of mountain climbers disappears while climbing the Himalayas in the 1950s. In the present, another group takes the same route and also disappears. A shady rich man hires a professional mountaineer and some scientists to find them. 根据香格里拉的传说改编，故事描述一支登山队（Aaron Douglas和Paul Campbell主演）前往险峻的喜马拉雅地区寻找一支神秘失踪的探险队，却意外发现大山深处隐藏着传说中的香格里拉。一群嗜血的外星怪兽以此为据点，杀害任何踏入其势力范围的生物。
