As Yoon-hee navigates her new life, she becomes part of an unlikely quartet known as the "Jal-geum Quartet":
The drama revolves around Yoon-hee's struggle to keep her gender a secret while navigating the "Jalgeum Quartet"—a group that includes the straight-laced Sun-joon, the rebellious Moon Jae-shin (Yoo Ah-in), and the playful dandy Gu Yong-ha (Song Joong-ki) [5.4, 5.5, 5.9]. Performance Highlights The Breakout Trio: Critics and fans often agree that Song Joong-ki sungkyunkwan scandal kissasian