Because her husband Lu Juanshen favored his first love and missed her mother's funeral, Xia Nanzhi's heart turned cold; she signed the divorce agreement and fled abroad, giving birth to triplets all by herself. Five years later, she took on the alias Nan Zhi to become a top auctioneer, but unexpectedly reunited with Lu Juanshen. To protect her children, she tried desperately to conceal their identities, and the triplets also teamed up to protect their mom, matching wits and courage against the "bad daddy." As the mystery surrounding her identity and old misunderstandings gradually unraveled, the first love Xu Ruoqing repeatedly set up schemes and even kidnapped the daughter Suisui. Xia Nanzhi fought desperately to find her daughter, escalating a family protection and wealthy-family entanglement.