Five college friends have a reunion in a castle in Piemonte, Italy. The local legend says the queen of the castle, Johanna of Anjou, was blamed for the local drought and famine. Before she was hung by the villagers, she placed a curse in her journal then killed herself. The group is intrigued by the legend, and one night when drunk, they enter the forbidden room where Joanna died. There, they find her journal. The spirit of Joanna returns, and her thirst for revenge is horrific.