Upon receiving a request from his friend Cao Xiaojun, Ni Xiangdong transports a wooden box to an abandoned cabin on a barren mountain. Xiangdong then discovers that the box contains Xiaojun's body. Xiaojun's wife Wu Ximei reports her husband missing to the police, while also alluding to everything being related to Xiangdong. However, there is something off with Ximei's witness testimony...