In his previous life, Chen Haisheng was addicted to gambling and ruined his family, sold his fishing boat, drove his family away, and died a miserable death from illness in his forties. Reborn back to 1984, his family is still around, and he has also awakened the Four Seas Tide Map capable of marking seafood locations. He turns over a new leaf, stops gambling, works steadily to venture into catching seafood, gets his license, and builds a fleet. Successive enemies set traps to make things difficult for him, but he steps forward, predicts a typhoon to save the whole village, clears his old case, and wins everyone's trust. In the end, he settles down, sends his daughter to school, leads the villagers to common prosperity, and understands that the most precious wealth is his family's safety and reunion.