The headlines scream warnings about the 'Butcher of Berner Street!' and the journalist behind them - Leo Stanhope - is secretly thrilled to see the effect his words are having.

Leo's previous work has largely been concentrated on more mundane issues but when an anonymous letter summons him to a club in East London, only for the owner of the club to be found murdered shortly afterwards, Leo sees a story worth pursuing. Not to mention an opportunity to make a name for himself.

Yet the more Leo digs, the stranger the story becomes, taking him from the club to a nearby convent, and into the past of a very unusual woman. But he is not the only one hunting for a killer. And it seems Leo's newspaper reports may have put someone else in grave danger...