Doctor John

Cha Yo Han is deeply shocked by Gi Seok's death. After administering treatment to Son Seok Ki whose condition had worsened, Cha Yo Han decides to leave his life at Seoul Hanse Medical Hospital as well as Si Young. However, Si Young tries to change his mind and tells him to be honest about his feelings.

Chairman Kang Yi Soo dies. Tae Kyung, Si Young, and Mi Rae mourn his death. Mi Rae decides to move back in with Si Young. Later, when she finds out that Yo Han was about to board a plane, she rushes to tell Si Young. Meanwhile, with the chairman's passing, Joo Kyung asks Tae Kyung to consider taking over his position.

Si Young can't reach Yo Han, and she is worried about him. However, Yo Han doesn't contact her for three years. After the three years, Yo Han finally comes back to the hospital and meets Si Young, but he doesn't explain what happened to him for the past three years.

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.