Episode 1 - Rainmaker

As Doldam Hospital suffers from a lack of doctors, Kim Sa Bu visits the main hospital to ask to send young doctors to him and runs into CS fellow Cha Eun Jae and GS fellow Seo Woo Jin. Seo Woo Jin is ostracized by other doctors because he had done whistleblowing on other doctors' corruption and malpractice. On the other hand, Cha Eun Jae always takes a tranquilizer before operations due to her operation fright.

Episode 2 - Mechanism of Accidents

Kim Sa Bu gets disappointed at Woo Jin and tells him to go back. But Woo Jin asks Kim Sa Bu for one more chance and Kim Sa Bu gives Woo Jin a week of grace period to prove himself. Meanwhile, an important figure comes into the emergency room of Doldam Hospital. Do Yoon Wan, the chairman of the Geosan University Foundation figures out the news and begins to work out his scheme.

Episode 3 - Undefined Setting Value

Dr. Kim chooses the extreme method to save Minister Ryu. After Dr. Kim manages to bring Minister Ryu back to life, Park Min Kook starts doubting on Dr. Kim’s real intention and skills. After Park Min Kook announces the Minister’s condition to press, Dr. Kim just doesn’t seem to care. Cha Eun Jae asks Woo Jin to attend the second surgery but he refuses.

Episode 4 - Utilizing Conflict

Park Min Kook asks Woo Jin questions about the primary surgery that Kim Sa Bu operated and Woo Jin hesitates to answer them. The director of Doldam Hospital comes back to the hospital and Ah Reum greets him. Eun Jae gets furious on Woo Jin for taking away her opportunity to be in the second operation with Park Min Kook. And Doldam Hospital is on the verge of being sued for malpractice.

Episode 5 - A Living Friday Night

Friday is the busiest day as a lot of patients swarm in Doldam Hospital. Eun Jae still finds it hard to perform surgical operations herself. A girl patient who suffers from drug poisoning because of her father's joint family suicidal attempt reminds Woo Jin of a painful memory from his childhood. And the staff of Doldam Hospital resents after hearing a rumor that there will be a new director.

Episode 6 - Placebo

Teacher Kim leads his team in saving two critical patients at the same time. Eun-jae steps in to protect a woman from her abusive husband.

Episode 7 - The Line that Should be Protected

Min-guk becomes determined to turn people away from Teacher Kim. A situation Eun-jae tries to mitigate takes a turn for the worse.

Episode 8 - Walk of Respect

Even in her final moments, a paramedic save another's life. Woo-jin shows Eun-jae his way of resetting the mind from worries.

Episode 9 - Trauma

Woo-jin looks into diagnoses for Teacher Kim's arm pain. A bus accident conjures up a regretful moment that haunts Min-guk's conscience.

Episode 10 - The Effects of an Adequate Amount of Anxiety

Yoon A-reum protects a patient's rapekit from failing into wrong hands. Min-guk finally brings up the bus accident from 11 years ago to Teacher Kim.

Episode 11 - Minimum Boundaries

Min-guk asserts his authority by restructuring the hospital staff. Woo-jin is stunned to learn which surgeon was behind a faulty operation.

Episode 12 - An Error of Exchange of Equivalents

A recruiter with bitter resentment for Woo-jin tries to tempt staff members to leave Doldam Hospital. Eun-jae's mom asks for a favor.

Episode 13 - Defense Mechanism

Eun-jae panics when she runs out of medication from Teacher Kim before surgery. Woo-jin gets coerced into leaving Doldam Hospital.

Episode 14 - Selective Dyslexia

Teacher Kim tasks Woo-jin with a final assignment. Min-guk performs surgery on a VIP patient despite pushback from Shim Hye-jin.

Episode 15 - Rapport; Trust Relationship

Do In-beom returns to Doldam Hospital to investigate an unsuccessful surgery. Min-guk decides between his greed and the truth.

Episode 16 - Koi's Law

Bae Mun-jeong comes clean to Woo-jin about the connection between their families. Teacher Kim secures a safe future for Doldam Hospital.

Episode 17 - Episode 17

Episode 18 - Episode 18

Episode 19 - Episode 19

Episode 20 - Episode 20

Episode 21 - Episode 21

Episode 22 - Episode 22

Episode 23 - Episode 23

Episode 24 - Episode 24

Episode 25 - Episode 25

Episode 26 - Episode 26

Episode 27 - Episode 27

Episode 28 - Episode 28

Episode 29 - Episode 29

Episode 30 - Episode 30

Episode 31 - Episode 31

Episode 32 - Episode 32

Episode 33 - Episode 33