A mute prince. Fell in love with the Prinsess of Busan. What would happen when the King gave a marriage proposal to the King of Seoul? Prince Jungkook thought it was his brother would marry Princess Yn.

One day, Prince Jungkook saw guards from Busan come inside. He heard that his brother was getting married to the Prinsess of Busan. He was sad by the news. Even tho he only saw her once he fell in love with her. When Prinsess Yn came inside Jungkooks, older brother came to her.