Fisherman Finn Carter faces a desperate situation: his father's 800,000-yuan usury loan forces him to sign an organ donation agreement. Obtaining an Azure Sea Stele fragment, he awakens abilities: underwater breathing, deep-sea radar, and predicting fortune/misfortune. He rises from an ordinary fisherman, relying on rare seafood, mysterious underwater treasures, forms a fleet, confronts malicious forces, and reaches the peak of the marine business industry.