In a churchyard outside Paris, archaeologists reveal an ancient tomb. As the tomb is opened, something goes very wrong. Something too frightening to imagine, and too terrible to tell.
For American Tara Mason, the romantic city of her dreams has suddenly turned sinister. She has heard the blood-curdling screams in the churchyard and knows that she must run. A powerful stranger is after her, and her nightmares seem to be turning into reality.

In the dead of the night, at the country estate where she has sought refuse, a shadowy man appear. He calls himself a guardian, sworn to protect the innocent from an evil most never see. He has come to save her. If she doesn't believe him, she may lose her life....and soul.