Threatened with losing their ship to pay their investors, Brokrin Ullissonn and the crew of the Iron Dragon embark on a perilous voyage: to seek out the fabled sky-island of Profit's Ruin. Glory and riches await them if they can discover the secrets of the infamous legend, but it is a voyage undertaken by only the brave and the desperate. Beset by enemies old and new, Brokrin's journey is fraught with danger and overshadowed by a terrible truth: no Kharadron vessel has ever escaped from the grip of this floating sea of weeds and vines. Will the Iron Dragon be the first?