sentences:  As one of the women knows from her plaguing nightmares that the island is dangerous, over the next three days they begin to be killed by something unseen.The film is notable for gaining notoriety and being classified in the United Kingdom as a "video nasty" in the 1980s.The film is presented in non-chronological order, leaving it unclear as to which sequence is the actual climax, and three mutually-exclusive interpretations of the films' events are offered, with narrative evidence in favor of each.