Yong-ju, Gi-woong and Gi-taek used to be best friends in middle school, but in high school, Gi-woong becomes a member of the gang that bullies Gi-taek. As Yong-ju tries to fix this broken relationship, he realizes his special feeling toward Gi-woong.
In a big city of Busan, twin brothers were left in the orphanage after the tragic death of their parents. Taeju, the older brother, becomes a cop and Taesung, the younger one, holds a significant position in the local gang. Their ironic fate adds up to have both of them love the same girl, Chanmi....
Saeyoung is a new employee who eventually stands against Leesun, her stubborn team leader. Leesun is upset by Saeyoung's behavior, but she soon learns about ominous stories about Saeyoung. As the stories about Saeyoung are revealed one after another, she becomes a source of fear to Leesun....
Dongdo, who is obsessed with movies, lives a satisfying life with friend-like mom, his only family. One day in high school, he befriends classmate Hyunseung and his bullying clique. Cigarettes and harsh words belch out of their mouths like smoke, and friendship engaging violence gradually draws him...
