A documentary exposing the shady scenes of Mexican justice: a 14-year-old girl who lived with a scumbag and had a child suddenly disappeared, and the girl's mother struggled to find her. In the end, the scumbag confessed to killing his wife, but the court found him not guilty; The mother sought social support, and the court of second instance changed the conviction but the scumbag had absconded and joined the drug cartel. Unable to catch the scumbag's mother, she only lived outside the state government to protest, and one night her mother was killed in public by the murderer, and the scapegoat was caught and convicted. The scumbag ends up dying in a gang shootout.　　The triple death of the mother should refer to: the death of the daughter (crying death), the verdict of acquittal in the first instance (death of the heart), and being shot dead in front of the state government (body death).