After the death of Zhang Ming's grandfather, he returned from the city to keep vigil and found that the seven taboos recorded in the blue-covered manuscript were being broken one by one, and the people who broke these taboos seemed to point to the same thing - the secret under the dry well fifty years ago, which had never really closed its eyes. "Taboos are laws, ignorance is peace, and keeping secrets is compassion." Zhang Ming began to explore the secret of the torn out last page of the blue-covered manuscript, as well as the yin and yang of the words that his grandfather left unfinished before his death.
