The story follows the adventures of a mysterious young girl named Tao Yan, accompanied by a young monk and a demon doctor. Together, they solve human problems and cure illnesses caused by demons and ghosts.

[Source: Yu Alexius Anime Portal]

Tao Yao is a doctor with a combination of angel and demon in her character. She travels around the world with a young monk named Moya. It isn't long before Gungun the fox, Prince Liu the snake devil and others join their adventure. They show their skills, treat miscellaneous diseases for monsters, and also help humans along their journey.

[Source: Anime Made By Bilibili]