At the end of World War II, Hermann Gringthe former war hero, Hitler confidante, Luftwaffe chief, and Reichsmarschallwas an obese, paranoid codeine addict suffering from heart disease. When he was imprisoned in the American-run makeshift prison at Mondorf-les-Bains, a castle and spa in bucolic Luxembourg, the psychiatrist given charge of maintaining his mental healthand that of other Nazi prisonerswas Dr. Douglas McGlashan Kelley, an earnest Californian at the end of his three-year army service. This last assignment would bring him face to face with evil beyond his medical skills and mental capacities.