The year is 1750. Meet Tristan Hart, precociously talented student of medicine. His obsession is the nature of pain and preventing. He is on a quest to cut through superstition with the brilliant blade of science. Meet Tristan Hart, madman and deviant. His obsession is the nature of pain, and causing it. He is on a quest to arouse the perfect scream and slay the daemon Raw Head who torments his days and nights. Troubled visionary, twisted genius, loving sadist. What is real and what imagined in Tristan Hart's brutal, beautiful, complex world?