In 13th century Berzano, a legion of knights known as the Templar were executed for conducting black magic rituals and committing human sacrifices in a quest for eternal life. 700 years later, they rise from the dead and attack a group of vacationing college students who visit the remains of their abandoned monastery.
Luisa is called to the bed of her dying mother Edith at Karlstein Castle. Before she dies, she tells Luisa that the Karlsteins are a family of vampires and that her ancestor, the original Count Karlstein, lies buried in the crypt. Afterwards, Luisa goes and finds the count's coffin and discovers that he is undead. As she takes Karine, her cousin as her lover, a police inspector, Ptuschko investigates a series of killings around the town, dismissing the locals who insist these are being caused by vampires.
A group of nuns become possessed by demons and are then tortured in a dungeon of horrors during the Inquisition.
