Dr Alexandra Keller is Chicago's most brilliant reconstructive surgeon.

Michael Cyprien is New Orlean's most reclusive millionaire - and in desperate need of Dr Keller's skills.

Beneath the foundation of a mansion in the heart of the Garden District, Alexandra will perform an illegal surgery. Her patient's disfigurement is beyond medical repair. But his body's ability to recuperate borders on the miraculous.

Alexandra knows Michael Cyprien is no ordinary patient. Intrigued by how his remarkable phsyiology might benefit medical science, she is even more compelled by his presence - and the mystery surrounding him and his associates, a cadre of immortals sho call themselves the Darkyn...