In which episode was the invincible magistrate Su Youpeng raped?

In episode twenty-three.

Episode 23. Drugged and forced kiss scene + girl takes the initiative, Wang Yan and Su Youpeng, the idiot drugged Su Youpeng and forced her to kiss him, and Wang Yan was heartbroken to see it. Plot introduction: Because Concubine Mei secretly found out the news about Eunuch Cui and others and informed Tiesheng about it, she forced Eunuch Cui to show his fox tail in front of Hun Jianglong. Although Hun Jianglong was the leader of the water bandits, he was an upright man. When he was angry, he joined forces with Tiesheng to find the whereabouts of the emperor. At the same time, the proud Han Xing learned that Tiesheng and Hun Jianglong were inquiring about the emperor's whereabouts just before the wedding. Out of anger, he stabbed the emperor in the throat with a knife in front of everyone.