Characters Jung Da-eun
A nurse in the Psychiatric Department of Myungshin University Hospital. After three years in Internal Medicine, she transferred to the psychiatric ward, where she meets people with various symptoms. She has a warm and kind heart, providing great comfort to patients as she adapts to her new environment.
Yoon Man-cheon
A dependable ace nursing assistant who has worked at the hospital for a long time, knowing it inside out. He understands and watches over everyone in the ward, providing care for all. Known as Mr. Yoon, both nurses and doctors trust and rely on him.
Min Deul-re
A psychiatric nurse with a mature and realistic side, she is considered a top candidate for the next Head Nurse position. She also serves as a preceptor, educating new nurses. She empathizes deeply with her patients.
Park Su-yeon
A psychiatric nurse, commonly referred to as the 'Charge Nurse.' As a working mom, she is renowned for her flawless work and her reputation as a strict, meticulous senior. While she scolds mistakes, she recognizes and looks after Da-eun's sincerity toward patients.
Cha Min-seo
A doctor in the Psychiatric Department of Myungshin University Hospital. He has a strained relationship with Nurse Park Su-yeon. Though he can be blunt, seemingly inconsiderate, and has a commanding tone that sometimes causes friction, he is a multi-dimensional person who observes others well, provides sincere advice and prescriptions, and possesses a sense of camaraderie.
Hong Jeong-ran
A psychiatric nurse whose charm lies in her friendliness. As Da-eun's college classmate, she provides great support to Da-eun, who is new to the psychiatric department.
Hwang Yeo-hwan
A doctor in the Psychiatric Department of Myungshin University Hospital. He is Go Yun's friend and has a past connection with Da-eun. He is a highly competent and well-rounded individual.
Im Hyeok-su
A professor of psychiatry respected by both patients and medical staff. He is someone who cares for patients and colleagues more delicately than anyone else.
Song Hyo-shin
The Head Nurse of the Psychiatric Department at Myungshin University Hospital. She is the spiritual pillar and a mother-like figure for the nurses, understanding patients and guardians better than anyone and handling situations with seasoned expertise.
Gong Cheol-woo
A doctor in the Psychiatric Department of Myungshin University Hospital. He sometimes gets criticized by the nurses for eating their snacks without permission because he finds going to the doctors' lounge bothersome. However, he is a passionate individual who starts his day determined to actively empathize with patients' pain and never neglects his duties.
