In Anthusis, the capital of the recently liberated nation of Vidrian, the PCs join the Silverscales Tournament, a fishing competition that the city hosts to ease tensions between its Mwangi population and the former colonists. Throughout the tournament, the PCs pit their skills against rival twins and their crews while dealing with various unexpected complications. When one twin’s magical bait malfunctions, the PCs must face dangerous giant crabs if they hope to survive and claim the prize!