When Si Shen encounters a particularly volatile and damaged soul, he is drawn into an investigation that uncovers the depth of her suffering and the nature of her violent outbursts. This soul, driven to madness by her tragic death and unresolved bitterness, has caused chaos in her wake, defying Si Shen's attempts to bring her peace.
Realizing that he cannot resolve the matter alone, Si Shen turns to an old friend, Xue Ren Jie, who reluctantly agrees to help, despite his own troubled past.
Together, they delve into the soul's tragic history, uncovering hidden truths and confronting both personal and external challenges. Their journey reveals the complexity of the soul's resentment and brings to light painful secrets that intertwine with their own pasts. As they work to resolve the soul's turmoil, Si Shen and Xue Ren Jie must also confront their own unresolved issues and deep-seated regrets.