Catherine LeVendeur is a creature of 12th century France whose life is a mirror of her times—but she is armed with a keen mind and lively curiosity. When Catherine's grandfather sends for his family to tell them their well is going dry, Catherine is alarmed. The family's wealth depends on its status, and if the well goes dry, their castle will fall. Her grandfather seems wracked with a fear deeper than that, though—and there's a mysterious woman appearing at odd moments who may or may not be the family's ancestral ghost. Catherine doesn't believe the magical legends her family has handed down, that they are the descendents of a knight of Charlemagne's and a faerie. She puts her faith and distrust in the human condition. When bodies being appearing—not ghostly specters, but freshly-dead humans—Catherine knows she's right, and must uncover the secrets of the witch in the well...