During the Yonghe period of the Great Zhou Dynasty, powerful ministers were in power and imperial power declined. Xie Mingli, the daughter of the imperial censor, was executed by the whole family because her father impeached a traitor. After she escaped, she disguised herself as a man and sneaked into the enemy's mansion as a slave, vowing to uncover the conspiracy behind the murder.
In the turbulent court struggle, she dealt with the ambitious prince and the secretive commander of the Imperial Guard, but gradually discovered that her father's death was related to a royal secret twenty years ago...
When the flame of revenge meets the coldness of power, when personal love and hate collide with the choice of family and country——
At the end of this long night, who is the real chess player?
