Li Xiulan is reborn to the very day her daughter-in-law Nan Xi is beaten to death alive. Endowed with a radar system that can see through lies, she is shocked to discover that Nan Xi is actually her biological daughter switched by her husband. Facing the schemes of Lin Jianguo and Wang Guihua, she no longer endures it in silence. Using her wisdom to expose the scam and playing dead to gather evidence, she brings the villains to justice. In the end, the mother and daughter embark on a train bound for Shenzhen. It is a story about the awakening of maternal love and how justice will eventually triumph over evil — as long as you dare to resist, the bitter days will finally come to an end, and a new life is always ahead.