Li Qingshan is betrayed by his two elder brothers at their father’s funeral and left with nothing but a three-year abandoned dead fish pond. While clearing silt, he finds a magic bronze plate that purifies water and boosts flora and fauna growth. Using the artifact, he breeds premium grass carp and shocks the village. Battling oppression from local bully Liu Heihu and aquatic magnate Zhou Tianci alongside his father Zhou Hongtu, and supported by market regulator Lin Xiaoman and her father Lin Wanhao, he expands from a shabby pond to the provincial high-end market, claims an international expo gold award, buys out competitors, founds Divine Fishery Group, brings prosperity to the village, and marries Lin Xiaoman.
