In the early years of the Republic of China, Jiushu and his apprentices in Jixiang Town practiced medicine to save people. A series of murders occurred in the town. The victims died of a certain disease after being bitten. Jiushu and his apprentices started a funny and hilarious journey to find the murderer. In the end, they found that the murderer was some poor people called witch werewolves who hid in the mountains to avoid disasters...