Had she already engaged?

Mo Xuetong froze on the spot. Whether in her previous life or this life, she had never thought that she would be someone that would set a marriage beforehand. If her marriage had already been set, then who was the other person? Why did he set her for marriage and yet not make a single move? In her previous life, her father forbidden her to marry into the Duke's manor, but because she was so determined to do it anyway, she let the cat out of the bag ...