In a fishing village in the 1980s, Chen Haisheng, a compulsive gambler, lost his entire family to gambling in his previous life. After being reborn, he worships the Dragon Kings of the Four Seas and receives divine revelations about fish schools and sea conditions. He works tirelessly gathering seafood and fishing to raise the money for his daughter's surgery, earn a living, and repay his debts. Guided by this intelligence, Chen Haisheng repeatedly catches valuable seafood, establishes sales channels, purchases a large boat, builds a fishing fleet, and secures a job at the fisheries station. Along the way, he deals with harassment from his gambling acquaintance Lao Hei, dangerous typhoons at sea, and even risks his life to rescue fishermen in distress. Gradually, he earns the trust of his family and the entire village. In the end, the Chen family builds a new home, Chen Haisheng achieves redemption, and the family finally enjoys a peaceful and happy life.