17-year-old Casey is a high-school student who works very hard on studies, busy preparing for her college admission examination. Her parents do not allow her to have any romantic relationships, yet like all the teenage girls, she also dreams for having a boyfriend. Elton who sits in front of her in the class, wins her heart by a gamble. Casey and Elton’s love story is full of sweet and romantic memories as it is both their first love. However, their love story goes to the end after Casey goes to college. Elton has an affair and breaks Casey’s heart.
 
Three years later, when the two meets each other again, Casey becomes a “love professional”, a tutor who teaches girls to get a perfect boyfriend. Elton is now a successful business man who runs a company that develops new mobile apps. Elton runs after Casey again, but Casey cannot forget the past. The appearance of a perfect guy Adam, urges Casey to make a choice of her love. But Casey is about to leave with Adam, she finally finds out the truth of Elton’s affair 3 years ago…

Director: Crosby Yip