The hospital has six months to prove that the eastern and western doctors can work together or they will be shut down. The directors decide to start a collaborative team with certain members from both sides.
Flashback to Seung-Hyun's years after Jeong Eui-Jin's death. How he got into eastern medicine and how he met Lee Eui-Jin. Meanwhile, in present time, Hye-In is getting more and more abuse from Doo-Hyun.
Hye-In's father arrives at the hospital with a cerebral hemorrhage. Now, Hye-In is having trouble separating her feelings as a daughter and a doctor. Meanwhile, Eui-Jin's hand is starting to give her trouble.
The staff attends a seminar. Doo-Hyun is starting to believe that their is love between Hye-In and Seung-Hyun. Dong-Sun discovers that his son has leukemia. Also, Eui-Jin lies about her hand so she can perform.
Eui-Jin has gone back to her father. Seung-Hyun tries to figure out what is wrong with her. Meanwhile, Hye-In begins to think about Seung-Hyun in a new way.
After hearing about her relapse, Eui-Jin has lost faith in Seung-Hyun. But Seung-Hyun refuses to give up and tries to locate a rare herb that may be able to help. Hye-In assists him.
Secrets start coming out all over the hospital. Hye-In has discovered that Doo-Hyun is in love with her; Eui-Jin's father finds out about her cancer; and the staff have finally discovered that Seung-Hyun is Ha-Yoon's son.
The making of the anticancer medicine is proceeding, but it is still not ready to be tested on humans, and Eui-Jin's time is running out. Meanwhile, the staff believes that Doo-Hyun and Hye-In slept together.
Eui-Jin's time is running out and the AC-7 drug still hasn't been approved. Seung-Hyun and Hye-In decide it's time to take drastic measures. Meanwhile, Eui-Jin tries to prepare for her death.
Because Hye-In, knowingly, used a non-confirmed drug on Eui-Jin, she is in danger of losing her license. But Doo-Hyun takes the blame instead. Meanwhile, Ha-Yoon decides to visit his ex-wife's resting place.
Doo-Hyun's license has been suspended for two years. He decides to go to America and study. Eui-Jin is finally recovering. Meanwhile, the investors' inspection is coming up.