After being reborn, Lu Chuan turns over a new leaf. Using his extraordinary ability to find treasures beneath the sea, he makes a living gathering seafood. By selling green crabs and large yellow croakers, he pays off his old debts. Step by step, he buys boats and establishes a fishing business, building a steady livelihood alongside Jiang Wan and the villagers. When faced with brothers fighting over profits and competitors resorting to dirty tricks, he stands by his principles, preserves evidence, and wins back people's trust through genuine skill and a good reputation. In the end, his family lives in harmony and his business flourishes.