When Shinhee's high school graduation party is held at a nightclub in Busan, she goes home with on of her classmates and gets pregnant later on.

After a few years when she moves to Seoul, Shinhee finds out that her four year old daughter has been playing with a guy, who is part of a gang. The next thing she discovers is that the guy was the same person who turned everything upside down on her graduation party...

Trailer Link: https://m.youtube.com/watch?v=7mk5RkcJye0