Characters Jung Da-eun
A nurse in the Department of Psychiatry at 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 reliable ace nursing assistant who has worked at the hospital for a long time, understanding and looking after everyone in the ward. Known as Mr. Yoon, both nurses and doctors trust and rely on him.
Min Deul-re
A mature and realistic psychiatric nurse who is expected to be the next Head Nurse. She also serves as a preceptor, training new nurses. She empathizes deeply with her patients.
Park Su-yeon
A psychiatric nurse, often referred to as the 'Charge Nurse.' As a working mom, she is known for her flawless work and for being a strict, meticulous senior. Though she scolds mistakes, she recognizes and looks out for Da-eun's sincerity toward patients.
Cha Min-seo
A doctor in the Department of Psychiatry at Myungshin University Hospital. He has a strained relationship with Nurse Park Su-yeon. His blunt, inconsiderate, and commanding tone can cause friction, but as a psychiatrist, he is a multi-dimensional person who observes others well, gives sincere advice and prescriptions, and possesses a sense of camaraderie.
Hong Jung-ran
A psychiatric nurse whose charm lies in her friendliness. She was Da-eun's classmate in university and becomes a source of support for Da-eun, who is new to the psychiatric department.
Hwang Yeo-hwan
A doctor in the Department of Psychiatry at Myungshin University Hospital. He is a friend of Go-yun and has a past connection with Da-eun. He is a competent and flawless individual.
Im Hyeok-su
A professor of psychiatry respected by both patients and medical staff. He may seem blunt and cold, but he cares for his patients and colleagues more delicately than anyone else.
Song Hyo-sin
The Head Nurse of the Department of Psychiatry 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 skillfully.
Gong Cheol-woo
A doctor in the Department of Psychiatry at Myungshin University Hospital. He is often criticized for being a clueless and unlikable person who eats the nursing staff's snacks without permission because he's too lazy to go to the doctors' office. However, he is a passionate individual who never neglects his work and is determined to actively empathize with his patients' pain.
