Edwardian magician Aleister Crowley, dubbed the wickedest man in the world, shocked the establishment with his exploration of sexual magic. Experiments with hallucinogenic drugs and his bizarre occult ceremonies. Although he gloried in his notoriety, calling himself The Beast 666, Crowley was a sensitive poet, a world champion mountaineer, a skilled chess player and an expert in occultism. Astonishingly he was also an enthusiast of the new science of quantum physics. So when a secret experiment goes awry, leaving occult obsessive lecturer Professor Haddo (Simon Callow), believing he is the resurrected Crowley. His masonic counterparts at Cambridge try and put a stop to his progressively wild indulgencies in drugs, sexual magic and obscene rites. But when Crowley's magic comes to conflict with quantum physics the outcome is extraordinary, with one of the most amazing triple twist endings in movie history.