An ancient map, stolen. A lost civilization, discovered. A terrible secret, unleashed. In an alternate Victorian era, Freddy Fitzgerald, a rebellious writer and ex-scuttler, and Thaddeus Lumpen, a desperate archaeologist with a slew of dangerous rivals, will do anything to make the discovery of a lifetime. After stealing an ancient from a gang lord sociopath, Freddy and Lumpen find themselves in a race against a violent army of gangsters, mercenaries, scuttlers and scarlets. But their island destination has its own dark secrets. Are they really unearthing lost history or are they discovering aberration?