年轻气盛的牛仔Beauregard Decker（唐·默里饰），和他较富社会经验的朋友Virge（亚瑟·奥康纳饰）一起坐巴士前往参加全国牛仔竞赛，中途在酒店中发现表演女郎Cherie（玛丽莲·梦露饰），惊为天人，马上展开热烈的追求。但他那种蛮横无礼…

An earthquake in the Salton Sea unleashes a horde of prehistoric mollusk monsters. Discovering the creatures, a Naval officer and several scientists attempt to stop the monsters, but they escape into the canal system of …