Lu Jianing, a rural-raised biological daughter, is retrieved by her birth parents, but forced to take the fall for the fake daughter and imprisoned. She gives birth to her son Lu An’an in jail.Six years later, Pei Yanjing accidentally meets Lu An’an while searching for his child, and a paternity test verifies their blood relation. The fake daughter Lu Yan'er repeatedly schemes to cover up the truth.After her release, Lu Jianing struggles to make a living. She and Pei Yanjing miss each other many times before reuniting. With the support of the Pei family matriarch, all conspiracies are exposed. The mother and son are recognized by the family. Pei Yanjing pursues Lu Jianing wholeheartedly, and the two finally become a couple.
