A group of astronomy club students on a summer camp trip becomes stranded in a remote village after their bus breaks down. The villagers, who face a severe shortage of women, drug and kidnap the female students and their teacher to use them for breeding purposes under the guise of a “fertility god” ritual. The male students discover the kidnappings and attempt to rescue their friends, but the villagers use a magical water that transforms any woman who consumes it into an insatiable sex slave completely dependent on their abusers. As the girls are systematically violated and broken down by the water’s effects, they lose all resistance and begin craving the very men assaulting them. The story depicts the complete psychological and physical enslavement of the female victims as they are transformed into permanent “toys” for the village.