Introduces Kang Dong-joo (Yoo Yeon-seok) and Yoon Seo-jung (Seo Hyun-jin), two doctors seeking success who find their "humanity" under Master Kim [11, 18].

💡 If you're starting the series, most fans recommend watching the seasons in order. While some characters change, the evolution of Doldam Hospital and the recurring themes make the chronological journey much more rewarding [11, 14].

He pushes his students to their limits to help them overcome internal trauma.

Han Suk-kyu’s portrayal of Master Kim is widely considered one of the most iconic performances in K-Drama history [1, 3].