This work contains AI-assisted generated content, and the plot is a fictional adaptation. It tells the story of Shen Qinghe, who only receives three acres of deserted wasteland despised by everyone when the family splits up, and accidentally discovers the Gubei Canal that was artificially blocked. She gets acquainted with Gu Changchuan, processes wild mountain yams into yam flour to make a living, and fights against the malicious suppression and forged contract framed by the grain merchant Ma San. The two unravel the truth of the old water deed, unite the villagers to establish an open and transparent cooperative farming model, expose the opponent's conspiracies and tricks, hold fast to the canal and the land, and lead the whole village to forge a new path of mutual survival.