Seventeen-year-old Katelyn Michaels plans on hating every moment of her visit to Mont Saint Michel with her father's new French wife. Once there, she is confused when she experiences sensations of deja vu and hears voices as she and her younger brother explore the medieval village and abbey. She is confronted by two unusual young men, one who insists she is there to save the mount, and the other who will stop at nothing, even murder, to stop her from fulfilling her destiny. When the oddly-dressed but alluring Nicolas slips Katelyn a strange medallion, she is whisked back through time with him...