Mu Xingchen, a royal descendant of the Shen Mu Tribe and dedicated medical practitioner, finds his life transformed when Ye Yunshang, a doctor from the human realm, accidentally enters his sacred lands. Helping her escape, Mu Xingchen follows Ye Yunshang into the mortal world to avoid political struggles. Together, they discover a devastating plague threatening humanity and combine their medical skills to find a cure. As they journey through unfamiliar territories, their partnership becomes crucial in battling the mysterious illness.