In seventeenth century England Lord Whitman wages unending war on what he sees as the ever-present scourge of witchcraft, and many local villagers have suffered at his hands. But one victim uses her occult powers to curse his family, enlisting unknowing help from one of the household.
Martina, a schoolteacher, and her three friends embark on a crazy experiment to test the theory which states that a human's body functions best when its alcohol in blood level is kept at 0.5.