The Princess of Zhen'an, who disappeared ten years ago, returns to the capital and begins investigating the wrongful death of her mother. Unexpectedly, on her first day back at the residence, her vicious stepmother is chopped into mincemeat. On the second day, her arrogant half-brother is disemboweled and killed. Gu Zhanbei, commander of the Xuanwu Guards and the investigator on the case, witnesses a ghost killing people, and all the clues point to Bai Maiwei.
When Bai Maiwei was seven, her stepmother set her up and abandoned her at a mass grave. She escaped death, but her soul was incomplete. She can only rely on the merit she earns from helping ghosts pass on to mend her broken soul and recover her lost memories.
As the mists lift, she finally remembers what happened back then, and the whole truth.
