Which episode did whitehairpin go undercover?

The eighth episode. The TV series The Knockout is a criminal investigation drama with the theme of eliminating pornography. It tells the story of the just forces represented by Anxin who struggled with evil forces in Jinghai for 20 years. Whitehairpin was undercover in the eighth episode. Whitehairpin is the heroine. She played Yu Meng in the play. Yu Meng is the daughter of Meng Dehai. She is a journalist.