Yoon Hye-jin is a fictional character from the South Korean television series Hospital Playlist. She is portrayed as a skilled and dedicated doctor specializing in internal medicine. Known for her strong work ethic and compassionate nature, Yoon Hye-jin often goes above and beyond to care for her patients, earning the respect of her colleagues. In addition to her professional life, Yoon Hye-jin has a rich personal story that explores her relationships with friends and family. Her character development throughout the series highlights themes of friendship, love, and the challenges faced by medical professionals in their daily lives.