Mu Jinhe, the eldest lady of the Mu family, and Zhou Jianguo, the eldest son of the Mu family, had a daughter, and the adopted daughter Zhou Nian caused Mu Jinhe to have a miscarriage because of jealousy. Nurse Qin Shushi is Zhou Jianguo's old lover, and after finding out that she was abandoned, she tried unsuccessfully to recapture her daughter Zhou Nian. Mu Jinhe's newborn baby girl disappeared, but she was actually rescued by Qin Shu, but she named Qin Shi'an because of hatred, followed Qin Shu and her grandmother to live, and since then she has been involved in the grievances and family entanglements of wealthy families.