Six years ago
He was a senior student at Army University. He happened to see her being cornered by gangsters, and he felt pity for her and rescued her. . .
Six years later
She is a freshman at Jinghua University and has a black belt in Taekwondo. She happened to see a little boy being beaten and felt the same way and saved the boy. . .
A few weeks later
He is her instructor. He is excited about her change, but he has already been deeply in love with her without knowing it. . .
She was his student, and she was happy to meet him again, but she fell in love with the little boy she saved. What she didn't know was that the seemingly weak little boy had a close relationship with the gangster six years ago. . . .