On the night when Shen Zhao died for someone else, the King of Hell made a mistake in recording the book of life and death and dragged him into the underworld. He should have lost his soul, but because of the Yin mark remaining in his body, he still had a glimmer of life in the Yang world. But the real dead person, Bai Jin, was actually the abandoned son of the Yin Dynasty who survived by stealing his life. When Liu Ya secretly erased half of the pen on the book of life and death, the nine crows screamed "key" on the moonlit night, and the tip of Mo Tong's pen began to tremble - a fate reversal spanning Yin and Yang has just begun.
After Shen Zhao woke up in the Yang world, he found that his fate had been tampered with and he only had seven days left in Yang life. Following Jiu Crow's crazy words and the blood talisman left by Yin Gu, he sneaked into the funeral parlor to find Bai Jin, only to find that he could control the resentment of the dead. At first, Bai Jin just wanted to use Shen Zhao as bait to lure away the Yin Division's pursuers, but after witnessing Shen Zhao cutting off his arm to save a strange soul, he took the initiative to block Yin Division's soul-locking chain for him for the first time. Liu Ya secretly revised the book of life and death, and each change cost one year of his life. Mo Tong began to forge case files in an attempt to cover up the truth about Bai Jin's life experience - he was the son of the King of Hell and a mortal woman, a taboo son who should have been erased. When Shen Zhao only had three days left to live, he had to tear up the book of life and death in public at the underworld ceremony, and Bai Jin finally admitted that the person who died for him was actually Shen Zhao's biological brother. Yin Gu lights three hundred everlasting lamps in the cemetery. The supervisor of heaven has approached the border of the underworld, and the ink pen in the hand of the king of hell is dripping a drop of blood that does not belong to the human world.
