London, 1859. When a man is killed in a hydraulic burst, novice detective Campbell Lawless stumbles on to the trail of Berwick Skelton: an elusive activist who crossed swords with London's illuminati. The Worms, a gang of urchins, help Lawless investigate the 'Skeleton Thefts', revealing to him the disillusion lurking beneath society. Can he track down the underworld mastermind before he wreaks vengeance on those who ride roughshod over his people?