Synopsis

The chapter focuses on the doctor's continued treatment of syphilis patients, emphasizing the challenges of using modern medicine in a different era. He discovers a young boy, Cheon Woo, suffering from congenital syphilis who has unintentionally developed inner qi. Recognizing his potential, the doctor decides to take Cheon Woo under his care, meanwhile two healed patients pledge their loyalty to the doctor, vowing to repay his kindness.