Mountain-gathering youth Lin Chen appears poor, actually is a hidden tycoon. After marrying Su Wan who replaced her sister in marriage, the husband and wife with one heart run a medicinal herb plantation. Facing a duck farm's sewage destroying the forest and harming the whole village, he steps forward, unites the fellow villagers to report according to the law, cooperates with national environmental protection departments to investigate and punish illegal breeding, and guards the water source and ecology. Hardworking and getting rich, he does not forget his fellow villagers, drives them to increase income together, touches lost relatives, and finally reaps a bumper harvest in both career and family.