Shy medical student Milla stumbles across a medieval manuscript from the time of the witch hunts while researching for a presentation: The Bible of Blood. Together with three fellow students, she starts experimenting with the text - with extremely deadly consequences: Because "The Bible of Blood" actually seems to have the power to make her most secret wishes come true. But they have also unleashed a dark power. The inconspicuous students become sex-obsessed beasts who will walk over dead bodies...