1. Episode 1
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
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
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
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
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
Kim Jun-wan waits for a response