Food delivery rider Zhou Yunchuan is raising his daughter Duoduo, who has congenital heart disease, alone. His ex-wife Su Wanqing had an affair with Shen Qinghe and divorced Zhou Yunchuan. Six years later, a "bankruptcy test" orchestrated by her friends turns into reality. Pretending to be bankrupt, Su Wanqing is forced to temporarily live in her ex-husband's humble rental home. She struggles to adapt to poverty and tries to compensate with money, only to be coldly rejected by Zhou Yunchuan. Su Wanqing then turns to Shen Qinghe for help, only to discover his past scheme of framing Zhou Yunchuan and embezzling assets. After learning the truth, Su Wanqing faces violent threats from Shen Qinghe, but Zhou Yunchuan steps in to protect her in a critical moment. Ultimately, Su Wanqing exposes Shen Qinghe's hypocrisy and sends him to prison. Having experienced betrayal and redemption, the family rebuilds trust and rediscovers genuine love in the simplicity of life.