The story is set aboard the Sky pirate ship The Galerider. Wind Jackal wants revenge against his previous quartermaster, Turbot Smeal, for burning down the Western Quays in Undertown along with most of Wind Jackal's family. Meanwhile the Leagues of Undertown begin making preparations for war with the sky pirates. The Galeriders crew encounter several dangerous traps as Wind Jackal carries out his quest to find Smeal. The crew of The Galerider are puzzled but it soon becomes clear, as it turns out in the end that the alleged Turbot Smeal was an imposter, greater and far more envious.