The female protagonist Li Lingyi traveled through the book and became a ghost, and met the male protagonist's ghost Zhao Bingxi. The two thought they were partners for a ghost marriage, and went to the underworld together. A Taoist priest told them that they were dead ghosts, and they could go back as long as they found a snow lotus and drank it within ninety-nine and eighty-one days. The system told the female protagonist that she could go back as long as the male protagonist was resurrected.
Purpose: sacrifice and dedication