Shine or Be Mad

Wang So is the Prince of Goryeo. He had a lonely childhood, due to his cursed fate. As he grew up, he realized his talent to become a King. Wang So looks bright, but he has a wounded mind. One day, he meets Shin Yool, who is the Last Princess of Balhae. She was born with the fate of becoming the light for another country. Because of her fate, she faces death. Through a one night marriage, Wang So and Shin Yool become connected and grow to love each other.