"There's the scarlet thread of murder running through the colourless skein of life, and our duty is to unravel it, and isolate it, and expose every inch of it." It is 1887 and a man has been murdered in an abandoned house. On his face is an expression of utter horror; in his pocket is a woman's wedding ring. On the wall above him is the word RACHE, written in blood. But whose blood is it? Thus begins the story of one of the world's most...