It tells the story of a group of graduate students who came to a research institute on an isolated island and found a dried tentacle. In the ensuing strange events, teachers and friends were killed by parasites one after another..

It tells the story of a group of prospective graduate medical students who came to a research institute on an isolated island in the South Pacific and found a dried suspicious tentacle. In the ensuing strange events, former teachers and friends were killed by parasites one after another, close companions were suspicious and accused, unknown creatures continued to invade, and the protagonists fell into a desperate situation..