In the ancient Celtic royal city, there lived a handsome and melancholy prince. He was intelligent, kind, capable of literature and military skills, and was deeply loved by the people. However, this outstanding prince has a fatal secret that few people know. He is about to marry the minister's daughter, Charlotte, what kind of romantic and surprising love story will happen to him? The Mediterranean wind blows gently in the hot July, passing through the veil of time and space, slowly drifting into the beautiful and elegant Celtic.