Song Ni, the sole survivor of Poison Doctor Valley, enters the capital carrying the blood feud of her entire sect, only to crash straight into the study of Gui Jue, a Junior Minister at the Court of Judicial Review.
Upright and incorruptible, he keeps his distance from women, yet he "detains" her in his residence and protects her at every turn. Cold and unfeeling, she carefully plots each step, yet his quiet attentiveness gradually breaks down her defenses.
Then the truth comes to light: the son of the enemy she believed she was hunting, the killer of his mother he believed he was pursuing, and Xie Wangfei, who owed her a life. The three of them are bound together by fate, and every attempt to push forward only drives them further apart.