In a 15th century castle, a voice from the past calls out to Anya Peterson. She becomes obsessed by a man in a dream. Cesare Borgia, the famous bastard of a 15th century Pope, invades her life. While searching for Cesare, she accepts the theory that she is his reincarnated sister, Lucrezia, whom Cesare wants to possess again. He separates her from her normal life until she is submerged into memories from the past, and finally into the 15th century to witness their life. When she meets Antonio Cesarini, she believes him to be the modern counterpart of Cesare. They fall in love, but Cesare is out to ruin their relationship. By each passing day, Anya sinks deeper into Cesare's hold. In her love for him, she is blind to the disaster closing in on her until it is almost too late. Who will win in the end, the modern man, or the one from the past?