The Magic Weapon

In the capital, prominent figures are being murdered one by one, causing widespread panic. The killer's weapon is revealed to be the long-lost Rhythmic Soul Horn. Left Beard, the commander of the Imperial Guard, dispatches Shen Rui to investigate. Shen's foster father, Zhao Wanli, reveals that the previous owner of the horn, Guan Yuancheng, was his sworn brother, who perished in a massacre twenty years ago. The current horn owner, claiming Zhao as her father's killer, seeks revenge. Shen and she clash repeatedly, leading to the discovery that she is Guan's sole surviving daughter, Guan Yutang. Shen's efforts help Guan Yutang believe in Zhao's innocence, but she suddenly kills him the next day and is poisoned with a secret Imperial Guard toxin. Grief-stricken, Shen uncovers Left Beard's true identity. As political turmoil escalates, Shen faces mortal danger... What truly happened in the massacre? How will Shen unravel Left Beard's sinister plot?