Bryce Larkin, CEO of Larkin Corp, is betrayed and drowned by his wife and her friend—only to be reborn as a small fish in Lake Wilra. Awakening the Shock Evolution System, he uses his expert fishing skills to trick fishermen, evolving from goldfish to increasingly powerful forms. In the end, he exposes conspiracies, protects his family, and claims revenge in a live-streamed battle.