Based on the real events of World War II: 32 men and 1 woman trapped on the isolated island of Anatahan Queen event, alias "Anatahan incident", "Anatahan Island incident". During the six years that 33 Japanese-32 men and one woman-were trapped on Anatahan Island in the Northern Mariana Islands, a series of deaths occurred around two pistols and the possession of the only woman. it is believed to be the result of men killing each other.