Forty-year-old live-in son-in-law Chen Zhiyuan was swept out the door by his father-in-law with a fake infertility report. Seven years later, he returned down-and-out to borrow 60,000 to make a living from his ex-wife Shen Jianing. When the current live-in son-in-law Xu Baizhou humiliated him, he exposed the truth about forging the report to trick into marriage. After the divorce, Shen Jianing pretended to go bankrupt to test her ex-husband's sincerity, but was exposed in public. Chen Zhiyuan counter-attacked from a motorcycle repair stall into the boss of a comprehensive vehicle service center, refused reconciliation, repaid the loan, and proved with actions that starting over at forty means relying on his own hands to live as a true backing.