By the river, the grandmother fed the ducks, and the grandmother was hacked to death with a kitchen knife. The child finds the body. Ma Zhe was in charge of the investigation of the case, and he heard from the people in the village that the dead old lady raised a madman, and the madman went out every day to shake around, and the child threw stones at him, and he looked at the child and smiled, with a docile personality.
By the river, Ma Zhe and the others found a bag with a tape in it, and through the sound in the tape, Ma Zhe found Qian Ling, the owner of the newspaper, and he asked Qian Ling what he was doing by going to the river, and Qian Ling said that the air there was good. Wang Hong, another person related to Qian Ling, appeared and said that he also went to the river that day, saw the corpse, and a person with a high hot wave hurriedly ran away.
Ma Zhe began to investigate the hot and wavy person, no, they found Wang Hong's body, and he wrote a letter to Qian Ling, Ma Zhe told Qian Ling, show the letter to Qian Ling...
In the evening, Ma Zhe and his apprentices ate flour and saw the madman passing by the door with a murder weapon, and they followed the madman, who had blood stains on his neck and half of his face. In this way, the case was solved, and the madman was sent to a psychiatric hospital. But Ma Zhe felt that there were still many problems in the case and wanted to investigate it again, but the director objected.
Someone else reported that the madman had killed the child who had begun to see the grandmother's body. Ma Zhe hit ** to the mental hospital, and they said that the madman had already run away. Witnesses said that the madman walked behind the child, picked up a rock and threw it at the back of the child's head...