Treachery stalks the Weatherlight.Escaping from Rath, the crew of the flying ship Weatherlight finds itself adrift. Grieving for their lost comrades and in need of repairs, they make their painful way to Mercadia, a city where everything is for sale.But not everything is as it seems. In the streets of Mercadia, the heroes of the Weatherlight find that more than merchandise can be bought and sold.