The narrative heart of the series is the enduring 20-year friendship between five doctors who first met in medical school in 1999:
A brilliant neurosurgeon and the emotional anchor of the group, known for her professional perfection and terrible, yet endearing, singing. Seulgiroun Euisasaenghal
Unlike many Western and Korean medical dramas that focus on hospital politics or miraculous "invincible hero" surgeries, Hospital Playlist humanizes its practitioners. The show illustrates that doctors are "just human"—they get exhausted, cry over failures, and navigate their own complex personal lives. The narrative heart of the series is the
A prickly but skilled cardiothoracic surgeon whose cold exterior hides a fiercely loyal heart. cry over failures
