According to Tencent's video query, it is the plot of Wu Yutou being wronged and stealing sheep in the 23rd episode of "The Brave Fight in the End". In this episode, Xiao Bailong, a foreigner and Er Leng stole sheep from a villager's cliff while everyone was sleeping, but after being discovered, they put the blame on Wuyoutou. Zhao Guowu asked Wu Yutou to kowtow and apologize. Wu Yutou insisted that he was innocent and finally committed suicide with a knife to prove his innocence.