During the New Year's Eve in the Yanbei region, Ren Yaoqi, the third daughter of the Ren family, a coal kiln merchant, was sent to Zhuangzi to think about her mistakes due to family conflicts. Due to fate, she was mentored by the emperor's master Pei Zhiyan, and her mind and structure changed.Five years later, Ren Yaoqi returned to the Ren family and resolved misunderstandings with her parents and sisters. Faced with her scheming aunt, profit-seeking elders, and complicated family grievances, she tried her best to shield her relatives from the wind and rain. She finally assisted her father in getting a teaching position, achieved financial independence for her small family, and formed allies with Lei, Lin, Han and other aristocratic families to seek common progress.

In the process of protecting her family, she met Xiao Jingxi, the prince of Yanbei who had cherished the ambition of her family and country since she was a child. The two went from suspicion and testing to establishing trust, attracted each other, and eventually became partners.After their marriage, the two worked together to resolve the many crises in Yanbei and protect the people from living and working in peace and contentment.

The play is adapted from the novel - The Conspiracy - by Mian Bei Mei Nan.