I met them while working during the summer vacation and fell in love with him. However, they broke up due to a misunderstanding caused by a friend's frame and went to South Korea alone. After she came back, she was like a proud princess, and there was a scandal about her affair with the handsome boy! Can the misunderstanding between them be resolved? Can she and him get closer? Can she and him go back to the past? Can her long-standing friendship withstand the test of time and resolve misunderstandings? What story will happen between her and them? Prince and knight, how will the princess choose...