Catherine Valmont recently deceased is resurrected when a strange chemical substance is spilled into her tomb. She tries to track down her past life and discovers a huge castle, inhabited only her mourning chilhood friend Barbara. The two are happily reunited, and when it turns out that Catherine can only survive by drinking blood, Barbara gladly helps out by supplying human victims. But when Catherine becomes disgusted by her own lust for blood things are bound to go terribly wrong....