It tells the story of a group of heroes in a fictional world where all medicines are forbidden. A wandering swordsman named Shao Xia, an amnesiac pharmacist named Wuming, a passionate constable named Susu, and a royal pharmacist named Xu Changqing form an alliance while searching for a mysterious monster. They gradually uncover the dark truth behind the city. The group must choose between trust and betrayal, power and consequences, attempting to save themselves and others in this unbalanced world.

(Source: Bilibili, translated)