In the seaside during the 1980s, after Lin Hai separated from the family, he left with nothing, his daughter fell seriously ill, and life hit rock bottom, but he accidentally activated the omnipotent marine radar system. Without fear of wind and waves, he went out to sea to catch seafood, relying on the system to successively capture rare marine products, facing family harassment and opponents' secret plots head-on. Lin Hai worked down-to-earth and strived to make a living, cured his daughter's illness, built a new house, and carved out his own happy new life in the vast sea.