His Uncle seized the profitable fishpond, leaving Cole Shaw with a mudflat. Guided by Big Yellow, Cole Shaw discovers the mudflat is connected to a cold spring, with selenium-rich active mud. The Uncle experiences a 'pond turnover' that kills all his fish. Envious of Cole Shaw's success, he resorts to dirty tricks. Cole Shaw navigates every challenge. His uncle and cousin apologize. Cole Shaw offers them jobs. They create a selenium-rich fish cooperative.