Chen Yuan, an ordinary fisherman, is plotted against by his girlfriend Zhang Li and her lover Li Hao. After falling into the sea, he unexpectedly awakens the power of divine dragon possession, gaining a dragon's vision and supernatural abilities to control water and command the sea. Using these powers, he catches rare seafood and quickly amasses wealth. He joins forces with Shen Man to run a seafood restaurant, repeatedly foils Li Hao's attempts to suppress him, and builds a marine ranch to revitalize his hometown. Along the way, he discovers extraordinary treasures such as ambergris. In the end, he achieves success in both his career and love life, becoming a prominent figure in the region.