Свидание во сне

Our dreams reflect the hidden secrets and desires of a person. But what to do if they become known to a stranger? Xiaoyun and Lifang constantly dream of each other. Whenever Xiaoyun faces trouble in her dreams, Lifang immediately comes to her aid. The thing is, they have never met in real life! So why do Xiaoyun and Lifang see each other in their dreams? And what connects them?