A flaming meteor over the Yorkshire Dales, a long-lost map drawn by the lunatic Bill Cuttle Kraken, and the discovery of a secret subterranean shipyard beneath the River Thames lead Professor Langdon St. Ives and his intrepid friend Jack Owlesby into the treacherous environs of Morecambe Bay, with its dangerous tides and vast quicksand pits. They descend beneath the sands of the Bay itself, into a dark, unknown ocean littered with human bones and the remnants of human dreams. In this tale of murder, infamy, and Victorian intrigue, the tides of destiny shift relentlessly and rapidly as the stakes grow ever higher and the pursuit more deadly....