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 in. Meanwhile,his crush Yeonhee, a popular girl in the clique, has directions of arrows of admirers. Determined, he writes her a love letter, which discloses the arrow's potential and returns to him as a fear for violence.

A reverse comedy that tells the story of a perfectionist assassin who falls and hits his head in a sauna, giving him amnesia. When a down-and-out actor switches locker keys with him, they switch lives until the hit-man, who soon becomes an action hero on TV, starts to remember things.

Through the course of their lives, a man and his first love are repeatedly separated from each other because of circumstances out of their control.

Kyung-min lives alone in a one-room apartment. One day, she finds traces of a stranger breaking into her room and soon a mysterious murder case begins to unravel.

Jang Se-chool is the boss of a gang. He has been in love with Kang So-hyun for the past 3 years, even though she constantly rejects him and tries to push him away. Having had enough, she tells him that she can't be with him because she wants to be the first lady of Korea.

A struggling director makes a desperate bid to dig into the urban legend about a film shot by a ghost, at the risk of her own life.

Two spies share a secret bond, despite their loyalties. A North Korean assassin is sent to Seoul to kill a dissident, but instead he teams up with a South Korean agent in search for revenge.

A bullied teenager who is locked up at a juvenile detention center due to an unexpected accident, meets a mixed martial arts champion to break through his own limits.

Jae-hoon recently breaks up with his girlfriend and he still cannot give her up. Whenever he gets drunk, it has become a daily routine to call her and act out of drunkenness. On the other hand, Sun-young also decides to break up with his boyfriend. But she holds a grudge against him. For them, it seems that the beginning and the end of a love affair are both difficult. Can they overcome from the previous romance and start the new one?

A by-the-book police officer is assigned to secretly investigate a team leader who believes that the rules shouldn't stop an investigation. As the officer investigates further, his own attitudes begin to mirror the team leader's.