An old man is found dead, and his housekeeper is charged with the murder. Her defense attorney is surprised to learn the only witness to the crime is a teenage girl with autism.

After barely surviving a violent attack by an elusive serial killer, crime boss Jang Dong-su finds himself forming an unlikely partnership with local detective Jung Tae-seok to catch the sadistic killer simply known as K.

Two apathetic police academy recruits who become best buddies through the tough training together witness a woman being abducted right before their very eyes. As they were taught in the academy, they quickly report the incident to the police, but the police are in no hurry to jump on the case. So the duo decide to take the matter into their own hands and rescue the woman.

Min-jae is a highschool teacher during the day, but at dusk, he goes out on the streets and join with youth who are alienated from school and home. Due to an incident, Min-jae is put to the test again to protect his students ─ Ji-geun and classmates.

Seung-yun is stressed out because he is sent to several private academies after school. His mother reproves him for not living up to her expectations. His father takes pity on him for being nagged on by his mother all the time... Ju-hun, a new employee at a company, is a vegetarian and cannot drink alcohol at all. Chang-su thinks Ju-hun is eccentric and is displeased with him... Su-hyeong sent his son and daughter with his wife to study abroad, but he grows tired of staying alone in his empty house... SONG has lived with her authoritarian husband without any serious problems, but she does not want to stay with him anymore. GWON, an old man, pretends to be calm in the face of his wife’s request for divorce. But actually he can’t do anything by himself... These are not unfamiliar fictional events but rather they reflect the lives of ordinary people in Korea at the present time. Through their stories, shows us how a society imposes normalcy on its people in their daily lives.