Seanna Raines is not happy. At sixteen, her only wish is to escape her miserable, barely-functioning family. Samuel is an ancient being, bored and alone, his only desire is to create another immortal - successfully. When Samuel rescues Seanna from an altercation with her alcoholic father, Seanna believes he is the perfect man. Just the scent of him has her head swimming in a beautiful fog. But when she accepts his first gift, a delicate black butterfly, her life is irreversibly changed.

Seanna's newfound dream becomes a nightmare as a plague of death falls upon her family and friends. As the body count rises, her collection of black butterflies grows. With increasingly vivid nightmares, and the color fading from her eyes, Seanna suspects the man of her dreams is the one destroying her life. Never sure if she is awake or dreaming, she struggles to find the truth. Samuel might succeed in creating another immortal, but can he survive Seanna's wrath.