Confident girl Park Han Na
Extremely handsome Hao Xijie
Meeting again and again made him notice her. She was unaware of it.
A reason that is not a reason, they dated
By chance, he discovered at her house that he had promised another woman to her when he was young.
What's going on?
Who is the girl he is destined to be?
Why do we have misunderstandings and separations again and again?
It's just an agreement once made...