Cha Yo-Han—an arrogant but genius doctor of anesthesiology—and Kang Shi-Young—a smart, warm resident of anesthesiology—work together to help people with mysterious cases of acute or chronic pain.
Farewell, I Hope to Meet You Again Someday: Part 2
Yo Han suggests Si Young that she should do a brainwave test on the patient. Si Young asks Yo Han why he didn't tell her that he was sick, and Yo Han apologizes to her. Yoo Joon tells Si Young that Yo Han kept watching Si Young for a year, and Yo Han and Si Young finally confirm their love.