Failing the College Entrance Exam, Ian Shaw refuses to be a migrant worker. Facing village ridicule, he finds a business opportunity in River Snails. He researches techniques, starts a street stall, opens sales channels. Faced with sabotage and crises, he insists on quality and opens his own store. He leads villagers in cooperative River Snail farming, establishing a production and sales model. He carves out a career and leads the village to prosperity.