Park Hoo

Behind a beautiful face hides a cruel nature—Baek Ah-jin, who sees through and manipulates others' hearts. After stepping on the sacrifices of many to reach the top, everything begins to change the moment she arrives there. A woman wearing a mask to escape hell and climb to the highest place. And the story of the Xs being brutally crushed by her.

Hong Eun Jo leads a double life: a servant and healer by day and a Robin-Hood-like thief named Gil Dong by night. Grand Prince Do Wol, brother to the King, begins to investigate the case. An encounter with a monk leads to them swapping souls, and they are forced to navigate each other's complex worlds.

When two young pianists from completely different worlds meet at an elite music high school, the melodies of their lives become intimately intertwined.