In the peninsula iron box that contains music and dreams, a beautiful princess sleeps. If she doesn't wake up, she will be in her iron cage forever. No matter how luxurious the decoration is, she will not be able to escape the fate of being imprisoned. Just like her in the real world, Xu Zhiling, a rich young lady, has an outstanding background and a perfect fiancé, but she has a dream in her heart that she is eager to try.
Blooming like fireworks, prosperity is always followed by nothingness and disappears. For the princess, it is just a dream. And her love, and her unwilling music dream. Peninsula Iron Box is a dream encountered accidentally.