Seo-jeong volunteers to deal with a critical patient. Doldam averts a crisis. Dong-ju shows his appreciation. Teacher Kim catches In-beom's mistake.

Teacher Kim takes the staff to Seoul. Yun-wan won't let his old rival have the spotlight. Bu Yong-ju is hurt but stands by romance and his principles.

The inspector from Geosan tries to stop the Doldam staff from treating patients. But there's a multicar accident -- and a drunk driver at the scene.

Teacher Kim plans to do the impossible, and Yun-wan will do anything to stop him. In-beom wants to do the surgery -- for the team, not his father.

A large audience waits outside the operating room -- and not everyone wants the team to prevail. A shifty reporter starts lurking around Doldam.

It's only after time passes that seemingly minor moments in life start taking on greater meaning. Yun-wan gets his way -- and orders Doldam's closure.

Yun-wan wants to know if Dong-ju is on his side. A soldier goes missing. Seo-jeong doesn't back down, but Teacher Kim shows her how it's truly done.

The staff starts preparing for Chairman Shin's surgery and Seo-jeong gets her big chance. Doldam may have an epidemic on its hands.

In a twisted world that demands blind obedience to its rules, there's no room for those with integrity and ability. Shin's surgery gets complicated.

Yun-wan makes sure that old wounds don't lie dormant. The furtive reporter keeps snooping around. Dong-ju confronts Teacher Kim about the past.

Dong-ju makes a call -- to Chairman Shin. Teacher Kim reminds Yun-wan of the importance of basics. Seo-jeong vexes an old mentor. It's Friday at Doldam.

Dong-ju finds that he's no match for Teacher Kim and becomes desperate to leave. Doldam receives a VIP visitor. Seo-jeong gets a new role.

Being principled may be relative. It's all hands on deck after a major highway accident. Dong-ju tries to find out more about Teacher Kim's identity.

Teacher Kim makes demands of his own. Myeong-sim shows the staff how it's done. Associates from Seoul stop by Doldam. In-beom makes a gut call.

Dong-ju gets bad advice and faces the consequences. Seo-jeong gets put on the spot. Yun-wan dials up the pressure but Teacher Kim pushes back.

When Doldam gets a surprise, everyone tries to cope. Dong-ju wants to know where he stands. Teacher Kim gets what he wants -- for now.

A patient comes first -- no matter what. Seo-jeong gets an unexpected pep talk. Teacher Kim's compassion proves to be multilayered.

Dong-ju questions Teacher Kim's ways, despite his awe-inspiring skills. Seo-jeong must deal with the ramifications of her actions.

A heroic doctor steps in to help a distraught boy. Intern Gang Dong-ju helps Dr. Yun Seo-jeong with emergencies at Geosan University Medical Center.

Dong-ju wonders whether hard work is enough to get ahead. Doldam Hospital gets a new doctor in general surgery. Seo-jeong sees a face from the past.