A Brelish spy steals and defects with a powerful magic sword and the adventurer's have been hired to track down and recover the item. This adventure features a lengthy chase overland on horseback, on a train, and an airship. Along the way the adventurers will also have to deal with third parties seeking to recover the sword for themselves, such as Warforged agents of the Lord of Blades who have hired halfling mercenaries riding glidewings (pteranodons), and Emerald Claw raiders piloting an opposing airship. This adventure can be run stand-alone or as a sequel to The Forgotten Forge and Shadows of the Last War.