Food delivery single mother Xu Zhinan, in order to raise medical fees for her mother, accidentally had a relationship with Gu Group president Gu Shiyan. Seven years later, her son Xu Yuanbao's heart disease urgently needed surgery and was saved by the Gu family foundation. The mother and son visited to thank them and got embroiled in the Gu family disputes. Xu Zhinan took the wrong business card, mistaking Gu Shiyan for Gu Zhenfei, and successively encountered framing by Jinsuo, workplace suppression, and continuous framing by He Luofei. Xu Yuanbao's special Gu family bloodline was revealed, and a paternity test uncovered his parentage. He Luofei, driven by love to hatred, carried out a kidnapping and was ultimately arrested. Xu Zhinan walked out of her inferiority complex, resolved misunderstandings with Gu Shiyan, and the family of three happily reunited.