Song Qiao was discharged from the mental hospital and found that his neighbor's family were all evil neighbors.Song Qiao went to argue, but was humiliated and scolded instead, causing Song Qiao's spirit to gradually collapse.The evil neighbor killed the comfort dog and sent Song Qiao to be locked up. Unexpectedly, Song Qiao produced a mental illness certificate.From then on, Song Qiao began to torture the evil neighbor's family.