Being exploited for seven years by the Ye family and forced to leave with nothing, the useless live-in son-in-law Gu Canghai, relying on his father's left-behind old fishing gear and solid skills, resolutely contracts the foul-smelling dead water pond abandoned by the entire village. From digging out a wild giant soft-shelled turtle from the bottom of the pond to earn his first pot of gold, to cleverly drawing out underground living springs and pioneering partitioned aquaculture, he stubbornly turns a dead end into a road of life! Facing the blockade of the toxic pond and vicious suppression by his malicious ex and the black-hearted aquatic product overlord Tang Hongyuan, Gu Canghai relies on his hardcore skills and extraordinary courage to counterattack one after another, leading the whole village to counter-attack and master the industry's pricing power! Reversing the wind and making a comeback, fighting back in a desperate situation, watch how the down-and-out live-in son-in-law dominates the top as the King of Aquaculture!