After her divorce, Qiao Yi adopts an abandoned baby named Xingxing in Nanwu and raises him alone for four years. The child's biological father, Gu Ce, finds him and forcibly takes both mother and son away, compelling Qiao Yi to enter the Gu family. During this time, Qiao Yi discovers that her ex-husband cheated on her and has an illegitimate child, so she resolutely fights for her rights and cuts ties with him. As they spend time together, Gu Ce is moved by Qiao Yi's maternal love, and the two go from opposition to reconciliation, jointly protecting Xingxing as he grows up and eventually building a complete family.