Qin Wan'er, the concubine of the Qin family, was destroyed by the tyrant because her father refused to write the music of Mi Mi. Her sister-in-law died tragically, and she became an official prostitute and was sent to the military camp. She endured and lurked, using herself as a bait to deal with Fu Yan, Yan Lie and other forces. After being poisoned by Fu Yan, she took her identity into the palace. With her stunning beauty and resourcefulness, she won the favor of the tyrant and stirred up trouble in the harem. She teamed up with Fu Xiang to expose the conspiracy, subvert the imperial power, and finally killed her enemy with her own hands. On the road to revenge, eunuch Wu Shan helped her with all his strength. After completing her revenge, she chose to burn the Qin family's old house together. In the extra story, the sister-in-law was reborn and tried to rewrite the tragedy, but she still couldn't resist the flow of fate.