One is a free-spirited princess who is inexperienced in worldly affairs, and the other is the former prince who has a bloody feud. If she had not met him, her short life would not have been so bumpy, but because of him, her life was as gorgeous as fireworks. From the beginning to the end, he was the only one in her eyes. He once thought that she understood him, but he unknowingly regarded her as a helper on the road to his ambition and dominance. When he really lost her, he realized that it was too late...