Xiao Yi, an unemployed young man, stumbles upon a mysterious "Pearl of the Sea" when he is at a low point in his life, and awakens his ability to sense underwater. Starting with a fishing rod and a second-hand speedboat, he fished out shipwrecks offshore and uncovered lost relics in the ocean. Antiques, gold, and deep-sea secret treasures are pouring in. He buys supercars, submarines, and builds private islands. From being an unknown person to stirring up global capital turmoil. Faced with the covetousness and temptation of all forces, Xiao Yi has always kept secret. In this blue territory, in the name of "fishing for the king", he has gradually uncovered the tip of the iceberg of ancient civilization, and the greater mystery of the universe has just surfaced...