In the undercurrent of the palace, Su Ran, who is reckless by nature but has a righteous heart, and Huixin, who is gentle and tenacious, are in danger in the library in order to expose Master Zhou's conspiracy. The cold-faced killer Leng Yue suddenly appears to help, but her motives remain a mystery. The three of them went to Master Zhang's residence, but were stopped by the black-robed old man Xuan Ye. What secrets are hidden behind them? What is the outcome of this battle between justice and evil?
