Li Qingshan, a migrant worker returning to his village, catches his wife Que Deyu having an affair with Shao Dong, who has been faking madness. After witnessing this, Li's mother is pushed down and knocked unconscious by Que Deyu, and the two falsely claim she died of a sudden heart attack, planning a hasty burial to cover up their scandal. Suspecting foul play, Li Qingshan forces the coffin open, rescues his still-breathing mother, and takes her to the hospital. Late at night, Que and Shao go to the hospital to pull the oxygen tube and silence her, and also spread rumors that Li Qingshan beats his family. The awakened mother produces covertly recorded audio and video evidence, and the two shift blame onto each other in court. Que Deyu holds the elderly woman hostage with scissors and is apprehended by the villagers. Both are sentenced, Shao Dong goes deranged in prison, and Li Qingshan stays in the village to care for his mother, mother and son gradually returning to peace.