Word of a monter ape ten stories tall living in the Himalayas reaches fortune hunter in Hong Kong. They travel to India to capture it, but wild animals and quicksand dissuade all but Johnny, an adventurer with a broken heart. He finds the monter and discover it's been raising a scantily-clad woman, Samantha, since she survived a plane crash year before that killed her parents. In the idyllic jungle, Johnny and Samantha fall in love. Then Johnny asks her to convince "Utam" to go to Hong Kong. Lu Tien, an uncrupulous promoter, takes over: Utam is in chain for freak show exhibition. When Lu Tien assaults Samantha, Utam's protective intincts take over: havoc in Hong Kong.