How Much Do You Know About a Noble Lady and a Dandy Boy?

She was a noble girl with a graceful appearance. She suddenly changed and became a dancer who could be bullied by everyone. She struggled hard just to reunite with her family as soon as possible. He is an unruly nobleman from the North. He came to Beijing alone to save his sister, and made all sorts of plans just so that his relatives could escape from the sea of ​​suffering. Are she and him using each other, or...