Feng Zihan is a student in Grade A of Yinglin Middle School. Because of a necklace, she traveled to the Longyang Dynasty and became the concubine of the Emperor of Longyang, a lively and cheerful girl. Just because she fell in love with him, "Long Moyu" became a more feminine girl, and because of him, she became even more sad. "Han'er, you are everything to me. Even if I have to exchange my country for my country, I will never give up." I am willing." "Yu, you are the only person I love in this life. No one can separate us. I don't care about forever, I only care about what I have had." "Even if my life is only one year, I am willing to trade one year for our day." She didn't want to open her heart, but her heart opened up and she fell in love with him. Will his depth and majesty finally change because of her. Whether her love with him can bear the fruits of love, and whether they can compose the music of love in that dark palace...