This is the 22nd episode of Liu Hai's rent rising on the Loess Plateau. According to relevant information, the 22nd episode of TV series "Gaotian, Huang Tu" tells the story of villagers' discontent rising sharply and asking Liu Hai to raise the land rent. The TV series "Gaotian, Huang Tu" tells the story of the forty-year struggle of three generations of farmers and rural cadres, represented by Qin, Zhao Xiujuan.