Season 1
Episodes
1. Episode 1
2020-03-12
Five friends whose friendship goes back to their days in med school are brought back together when a phone call interrupts each of their busy lives.
2. Episode 2
2020-03-19
For the first time in 20 years, everyone's finally working under the same roof. A patient with a familiar name finds Chae Song-hwa.
3. Episode 3
2020-03-26
The hospital's med students are inspired by the doctors, who each look after their patients in their own ways. Lee Ik-jun gets a welcome visitor.
4. Episode 4
2020-04-02
Yang Seok-hyeong's aloofness frustrates someone on his team. Jang Yun-bok and Jang Hong-do witness a surprising side of Song-hwa outside the hospital.
5. Episode 5
2020-04-09
Jang Gyeo-ul can't get one kind word out of Ahn Jeong-won, who seems especially cold to her. A difficult professor joins the cardiothoracic department.
6. Episode 6
2020-04-16
Kim Jun-wan waits for a response from Lee Ik-sun, who says she needs some time. Jeong-won breaks painful news to the family of his longtime patient.
7. Episode 7
2020-04-23
An unforeseen problem just before a surgery forces Jeong-won to make a tough decision. Meanwhile, Jun-wan is put on edge in the operating room.
8. Episode 8
2020-04-30
Distracted by a problem in his personal life, Do Jae-hak struggles to get through the day. Meanwhile, Chu Min-ha finds herself drowning in work.
9. Episode 9
2020-05-07
An urgent call sends Song-hwa rushing to the hospital to tend to a young patient. Ik-jun receives a plea from a desperate father.
10. Episode 10
2020-05-14
Put in a stressful situation, Jae-hak looks to Jun-wan for advice on the right thing to do. Ik-jun accidentally uncovers an extraordinary secret.
11. Episode 11
2020-05-21
Ik-jun handles a sensitive request from the troubled wife of a patient. A sudden piece of news threatens Seok-hyeong's peace.
12. Episode 12
2020-05-28
As doctors and as humans, the five friends each face a maze of life's questions and decisions as they figure out their next steps.