The Background Character Supporting Lady Just Wants to Lie Low and Be a Carefree Fish

The Princess of Zhen'an was lost away from home for ten years. Upon returning to the capital, she sets out to investigate the unjust death of her mother. But on her very first day back at the manor, her wicked stepmother is hacked into a bloody pulp. On the second day, her arrogant, overbearing half-brother is disemboweled and killed. Gu Zhanbei, commander of the Xuanwu Guards and the officer in charge of the case, witnesses a ghost killing people. Every clue points to Bai Maowei. When Bai Maowei was seven, her stepmother schemed to abandon her in a mass grave. She survived, but her soul was incomplete. To recover her missing memories, she must earn merit by helping ghosts cross over and mend the fragments of her soul. As the fog lifts, she finally remembers what happened all those years ago, and the whole truth.