Outer disciple Lin Shutong was involved in the sect's secrets because of his proficiency in medicine and mechanism skills. When he was pursuing the rumor of "the appearance of a thousand-year medicine spirit", he was accidentally bound to his senior brother Gu Yanzhi, a true disciple of Qing Leng. From testing each other to joining forces to break the situation. In the process of cracking the ancient trial array, exposing hidden conspiracies, and resisting the invasion of demonic cultivators, the two gradually discovered each other's hidden sincerity - her ordinary persistence with vegetation as blades and ingenuity as shield, and his innocent heart with sword bones as oath and solitude as defense. Finally, they stood side by side in the sect's catastrophe, using the simplest "human fireworks" to heal each other, achieving a sweet story of two-way redemption.
