University professor Lin Yeming falls in love with his student Ruan Xingwei, but is Ruan Xingwei really what he sees? Ruan Xingwei's life is dark. Wearing a mask every day makes it hard for her to breathe. She feels like she is being swallowed by despair. Lin Yeming pulls her out of despair like a light. Ruan Xingwei's world seems to have a beam of light coming in...
Intention: The wound will heal slowly