Shen Qiuci (played by Yuan Yiqing), who had been missing for eight years, returned to Beijing, but what she faced was that her father and brother were killed in battle, and her eldest sister died unjustly in Danyang Hou Mansion. In order to thoroughly investigate the truth, she returned as the eldest sister, used thunderous means to regain control of the Hou Mansion, and dealt with the eldest son Pei Yuanzhou and his beloved concubine Xue Yinshuang wisely and courageously. She used irrefutable evidence to expose the conspiracy in court, and gradually shaken the foundation of the Hou family. However, she discovered that the death of her eldest sister actually led to a huge mysterious organization "Tianji Pavilion". Shen Qiuci vowed to find out all the truth, bring justice to the deceased, and bring justice to the guilty.
