Jiang Chao is reborn back to the 1980s. Faced with debt collectors and his wife and daughter in mortal danger, he relies on thirty years of past-life experience in tidal fishing. He starts by gathering seafood on rocky shores, rescues fishing cormorants, catches giant grouper, harvests pearls and hunts for ambergris, building his fortune step by step. He fights repeatedly against criminal forces including Boss Zhao, Scar Brother and Boss Bai. Eventually, he sets up a fishing fleet, leads the villagers of the waterfront fishing village to get rich together, and guards his happy family.
