Zhou Zhengguo returns to his hometown to start a business, but just as his yellow cattle are about to be delivered, villagers block the village entrance and prevent his cattle trucks from passing, claiming that cow dung is causing pollution. With a 3-million-yuan penalty for breach of contract hanging over his head, the crisis quickly escalates. The village's cattle farms begin collapsing one after another, and the very villagers who caused trouble come knocking on his door for help. Faced with those who once made life difficult for him, will he put aside their past grievances? And can he use his expertise in cattle farming to lead the entire village down a path to prosperity?