The headlines scream warnings about the 'Butcher of Berner Street!' and the journalist behind them 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 London club, only for the owner to be found murdered shortly afterwards, Leo sees a story worth pursuing. Not to mention an opportunity to make a name for himself. But he is not the only one hunting for a killer. And it seems Leo's initial reports may have put someone else in grave danger...