Doctor X: Mafia In White achieves record viewership for Kim Ji Won

The South Korean medical noir drama ‘Doctor X: Mafia In White’ has achieved significant viewership success following its premiere on October 9, 2026. Starring Kim Ji Won, the series recorded a nationwide rating of 11.4% for its first episode, making it the highest-rated miniseries premiere of the year in South Korea. By the second episode, viewership climbed further, reaching a peak of 17.4%.

An adaptation of a popular Japanese series, the drama follows Gye Soo Jung (Kim Ji Won), a genius freelance surgeon who challenges corruption and entrenched hierarchies at Guseo University Hospital. The narrative focuses on her struggle against a medical establishment described as a ‘white mafia’ that prioritizes profit and power over patient ethics.

The series has gained international traction, appearing on Netflix and trending on search platforms like Google in various regions. Critics and viewers have noted the show's intense portrayal of medical politics and Kim Ji Won's performance in her return to television.