Five vacationers and two crewmen become stranded on a tropical island near the equator. The island has little edible food for them to use as they try to live in a fungus covered hulk while repairing Kessei's yacht. Eventually they struggle over the food rations which were left behind by the former crew. Soon they discover something unfriendly there...
- Genre: Horror, Science Fiction, Thriller, Drama, Mystery, Fantasy
- Studio: TOHO
- Keyword: island, monster, mushroom, yacht, greed, psychiatric ward, disfigurement, shipwrecked, lost island, mushrooms, fungus people
- Cast: Akira Kubo, Kumi Mizuno, Hiroshi Koizumi, Kenji Sahara, Hiroshi Tachikawa, Yoshio Tsuchiya