Being bullied at school and suffering violence at home, Mi-rae, a middle school loner, lives on the border between reality and fantasy. The only places she feels restful are the computer game world, and the would in the novel she writes in her notebook. As her classmates Baek-hap and Tae-yang come close to Mi-rae, she gradually opens up her mind to them. In the meantime, the computer game service is terminated, and the world in her novel also disappears, leading Mi-rae to face a tough reality again.

Jin-il, Ga-young, Bong-gil, and Min-kyung are teenage runaways who live together as a family. Jin-il is the leader of the group, earning money by selling stolen goods. As it gets harder to make a living for 4 of them, they plan even more dangerous crimes to survive the cruel society where they have no protection from the adults. One day, the kids steal a car from Hyung-Seok, a karaoke owner who illegally uses underage girls as prostitutes. Outrageous Hyung-Seok tracks them down with his men and forces Ga-young to work at his karaoke bar until they pay back for his car. Even worse, the two friends give up making money and now Jin-il struggles alone to save Ga-young…