Yumiko is a young schoolgirl getting hate-mail e-mails. After witnessing a particularly nasty murder at school, Yumiko is sent away to the country, to stay with her indifferent aunt and uncle. They seem to be obsessed with snakes. Yumiko finds it easier to befriend their two daughters. But after meeting an old local mystic, she get’s a nasty snake-bite, not from a snake, but a snake creature. Local people are also getting bitten, ever since Yumiko arrived in the village, there has been an outbreak of snake problems.