A vampire called Raven, has terrible urges for feeding, but can't do it freely. When she happens to come into contact with a figure from her, dreadful, lonely, past, can she control herself and her urges for blood? Cassius is ravens' brother. He has his own past, some he shared with his sister, the rest he spent alone. No-one to help him get through his own urges for blood. Together Cassius and Raven have fed on and killed thousands. Will their past come back to haunt them, or will they be free of their sinful past?