After graduating from university, Wei Hang ran errands in the Oceanic Bureau for nearly a year, but was finally expelled by his superiors because of a few quarrels. When he returned to his hometown, he met a mysterious bead by the sea and merged it into his body. Swim under the sea without being affected by oxygen, water pressure, light, etc. The mysterious ocean has always been longed for by human beings, and few people set foot in it. There are endless treasures below, waiting for human development: big lobsters, sea crabs, sea cucumbers, sea urchins, abalones , rare red corals, even sea treasures and so on. With the mysterious sea pearls, the fisherman is also a legend!