Kim Yu-jung's character, Baek Ah-jin, faces a crisis in her rise to stardom in the drama 'Dear X'. The 5th episode of 'Dear X' airing on tvN showcases a intense confrontation between Baek Ah-jin and top star Lena, played by Lee Yeol-eum. Baek Ah-jin's past is also explored through her relationships with two men, Yoon Jun-seo and another character. | Kim Yu-jung's character, Baek Ah-jin, faces a crisis in her rise to stardom in the drama 'Dear X'. The 5th episode of 'Dear X' airing on tvN showcases a intense confrontation between Baek Ah-jin and top star Lena, played by Lee Yeol-eum. Baek Ah-jin's past is also explored through her relationships with two men, Yoon Jun-seo and another character.