Yun Shao, a young woman from a prominent clan, narrowly escapes death after being marked for a ritual sacrifice involving a "blood jade." Her fate becomes inextricably linked to Pei Zhao of the Fengyi Guard through a symbiotic "mother-child" gu-poison bond. Driven to seek justice for the tragic death of Yun Xiang and to uncover the truth behind the anomalies at the blood jade mine, Yun Shao defies societal conventions to join the Fengyi Guard. As the investigation unfolds, bizarre sacrificial rituals and dark imperial secrets come to light amidst a turbulent court rife with power struggles and rival factions. Standing shoulder to shoulder, Yun Shao and Pei Zhao brave perils to confront treachery; they remain steadfast in their convictions while navigating a labyrinth of love, hatred, and mystery in search of the truth and their own future paths.
