When Lu Rong was young, she rescued a little beggar named Wei Yan. The boy was very smart and clever. Wei Yan made an agreement with her to marry her when he grew up, but Lu Rong "died" in an accidental fire. As a prince, he was taken back to the palace by his brother Wei Hengmin, who vowed to find out what happened back then. He has been looking for Lu Rong, but he never thought that his Rongrong would always be by his side.