Seven years ago, delivery worker Xu Shiwei had a one-night stand with Gu Hanyan and raised their son Tuantuan alone. Years later, she reunites with him as a flight attendant, and a DNA test exposes the boy’s identity.To cure her son, Xu Shiwei works as a secretary at Fengyun Group. The two grow closer but face constant misunderstandings from a prenuptial agreement and schemes by An Yue.The truth comes out at a birthday banquet, where Gu Hanyan publicly acknowledges his wife and child. Xu Shiwei is also confirmed as An Yue’s long-lost daughter. With An Yue brought to justice, Xu Shiwei marries Gu Hanyan, welcomes their second daughter, and embraces a happy family reunion.