- Medical Saint Shen Qingyan passed away from liver cancer, and his soul remained in the world due to unfulfilled merits and deeds.
- Possessed in the body of Chen Mo, a young man with mild intellectual disability who was brain-dead in a car accident.
- Chen Mo has physical defects (stuttering, clumsy movements) but has special sensory abilities
- The two souls gradually merged, and Shen Qingyan's medical skills and Chen Mo's physique combined to form a unique medical method
