Male lead Zhao Yanheng is reborn, carrying the memories of the fishing village's decline and his family's ruin from his past life. Holding the treasure map for catching seafood left behind by his father, he vows that in this life he will never be bullied and humiliated by others as he was in the last life. The tragic scene from his past life where his younger brother stole the map, squandered away funds, and emptied the family coffers remains vivid, and his father also met with a fatal mishap. This time, he closely guards the secret manual, seeks the truth behind his father's death, and ventures out alone to dig for gold by catching seafood, relying on his mastery of tidal patterns and sharp appraisal skills. He continuously captures top-grade wild seafood to rapidly accumulate capital, transforming from being doubted by villagers to leading the entire village's transformation, step by step turning the dilapidated small fishing village into a port and completely rewriting his fate.