On a winter morning on the way to work, Kiyoung finds Gilho sleeping on the wooden bench in front of his house. Gilho is a teenager who has run away from home because he can no longer face the domestic violence he suffers there. Kiyoung lets Gilho stay in his house for a few days and Gilho comes to trust Kiyoung. However, as Gilho′s friends visit, conflicts happen between Kiyoung and Gilho.
A bullied girl becomes friends with a new kid during a break, but when classes start up again, their new friendship is nearly ruined when the bullying continues.
Su-min and Jin-ho are siblings living together. Their parents declare to them that they will divorce soon. They say that it is not decided yet how the four members of the family live apart, and ask them to wait for about 2 weeks. Su-min spends every day worrying about which parents she's going to live with and whether she will live apart from Jin-ho. One day, her parents offer her a suggestion.
High school teacher Gyeongseok agrees to look after his daughter Yunhui for his ex-wife’s sudden request. He brings Yunhui with him to the school where he works. There, he leaves Yunhui alone in the car briefly, and when he returns she’s gone. Later, Yunhui is found after having been grievously injured in a car accident. The driver of the truck that hit her, however, indicates that Seik, one of Gyeongseok’s students, was the true cause of the accident.
Gang leaders Gyeong-cheol and Tae-yong hide after an attack, while psychopath In-seong wreaks havoc. Detective Cha Do-pil, seeking revenge, convinces them to join forces. A pastor, a monk, and a detective unite for a chaotic showdown.