Five years ago, Ye Ling witnessed her sister Ye Guiren, who was pregnant with Long Zi, being insulted to death by the arrogant and domineering Concubine Xue who had received the favor of the Holy Spirit. From then on, Ye Ling planted the seeds of hatred in her heart and vowed to bring down Concubine Xue to avenge her sister. Ye Ling changed her name to Xie Yuan. In order to enter the palace and win the favor of the Holy Emperor Xiao Chenyu and successfully overthrow Concubine Xue, she painstakingly studied the daily habits of Concubine Xiao Chenyu.