Butterflies Dance as Blossoms Flutter

Yaoqin, in truth the Left Protector of the Xuanyin Pavilion, assumes the identity of Qin Yan, the top courtesan at Tianyi House, to approach Li Tang, a disciple of the Lingfeng Sect, and become her sworn sister. After seeing through Yaoqin's disguise, Li Tang discovers that she is her enemy. Yaoqin should have completed her mission and eliminated her. But after a series of misunderstandings and betrayals, she unexpectedly receives news about the person who killed her birth parents. The two join forces to overcome all kinds of hardships, and in the end, she kills the murderer herself.