MBC's Friday-Saturday drama '오십프로 (Fifties Professionals)' is gaining significant momentum as it delves into the 10-year-old mystery surrounding its lead characters. In the 4th episode aired on November 30th (Saturday), protagonist Shin Ha-kyun, playing NIS agent Jeong Ho-myung, faces an intense moral dilemma between his duty and his family. Meanwhile, the collaborative efforts of Kim Shin-rok and Kim Sang-ho to uncover long-buried truths have intensified the show's narrative, leading to a record peak viewership of 6.1% in the metropolitan area. | MBC's Friday-Saturday drama '오십프로 (Fifties Professionals)' is gaining significant momentum as it delves into the 10-year-old mystery surrounding its lead characters. In the 4th episode aired on November 30th (Saturday), protagonist Shin Ha-kyun, playing NIS agent Jeong Ho-myung, faces an intense moral dilemma between his duty and his family. Meanwhile, the collaborative efforts of Kim Shin-rok and Kim Sang-ho to uncover long-buried truths have intensified the show's narrative, leading to a record peak viewership of 6.1% in the metropolitan area.