A filthy muddy pond that everyone despises, and a sum of life-saving money needed to save his father's life. Lin Feng returns to his hometown and insists on raising crabs in the very pond, drawing ridicule from the entire village and relentless pressure from his rivals. They resort to all kinds of dirty tricks, from swapping his crab seedlings and sabotaging the water supply to deliberately disturbing the crabs. But with his professional expertise and ecological farming principles, he overcomes every crisis. From fighting alone to winning the support of his neighbors, the once-abandoned pond transforms into a treasure trove, giving rise to an inspiring rural entrepreneurship legend.