In a Parisian restaurant Aleister Crowley, the notorious occultist, chances on Major-General Sir Hector McDonald, who is facing ruin in a shocking scandal, and vulnerable to Crowley's curious offer of help. Follow this unlikely pair on an extraordinary night of revelation and transgression. Be transported to the battlefields of Sudan, the backstreets of Edinburgh and the sultry tropics of Ceylon. And discover Sir Hector's tragic secret...