In a respectable neighbourhood, on the top floor of a beautiful house, crouches the Succubus; by design, and by temperament, she is all that men crave and fear. To the wealthy and privileged men of London, the Succubus is a test they must pass to gain access to the House of Sable Locks, the most exclusive brothel in town. However, to William, a wealthy young man born and raised in India, she is the very essence of his desires.