When Mycroft Holmes is murdered, it is up to retired shadow detective Smith to track down his killer, leading him to stumble onto the greatest conspiracy of his life. Young Lucy Westerna, Holmes' protégé, must follow her own path to the truth, while on the other side of the world, a young Harry Houdini must face his greatest feat of escape -- death itself. As their paths converge the body count mounts up, the entire world is under threat, and in a foreboding castle in the mountains of Transylvania a mysterious old man weaves a spider's web of secrets and lies.