Carmilla, A journalism student, meets a group of kids that play a role-game called Eternal Blood. She gets interested in this hobby by M, a young man she met in a philosophy seminar. M gets Carmilla into the role game; but in a strange party at an abandoned house, the group meet Dahmer, an unusual young man who makes rituals about vampirism and shortly he begins influencing his friends. M realizes the situation is unusual and that some of them are actually being transformed into vampires. In the investigation of the origin of these myths, M finds the way to revert the groups process. The philosophy professor gives him some texts about this issue that might help him find the way to save their souls...