Tidal foraging youth Lin Yuanshan works hard at tidal foraging for his maternal uncle Zhao Hongbiao, but his dividends are deducted layer by layer. Out of anger, he breaks away to go solo. He and his partner Ma Xiaoshun accidentally discover the treasure land Treasure Bay. After going through numerous dangers such as sharks and sea pythons, they finally harvest rare seafood. Afterward, Lin Yuanshan joins forces with Chen Yazhi to confront head-on the framing and contention of Zhao Hongbiao and President Wang, fights his way out from ambushes and blockades, and finally secures the use rights of the sea area, carving out his own path to survival with genuine ability.