Su Tong time-travels to Linhe Village in 1975, immediately running into toxic relatives trying to sell his younger sister for a bride price. Defending his sister with a club, he publicly severs family ties. After forcing them to return money and grain, he awakens a spiritual spring space. Relying on fishing, selling fish, buying grain on the black market, and hunting in the mountains, he gradually supports his two younger sisters step by step. When Su Jiangshui's revenge fails and Su Mingshu's family faces liquidation, Su Tong discovers the mysterious background of his biological father. Armed with the spiritual spring and courage, he turns bitter days into having meat every day in a difficult era.