In the not-so distant future, researchers at a deep-sea laboratory have finally invented a time machine. Head researcher Woo-seok is promised funding from a mega-corporation if he completes a test flight. He and Young-eun carry out the mission and travel to 11 A.M. the next day, only to find the base on the verge of collapse. All the researchers are gone and someone is out to kill them.

Ja-yoon is a high school student who struggles with memory loss after she endured some unknown trauma during her childhood. While trying to uncover the truth, she is unwittingly dragged into a world of crime and finds herself on a journey that will awaken many secrets hidden deep within.

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…

Popular TV anchorwoman and late night radio host Sun-Young (Soo-Ae) prepares to work her final radio program. After this program she will prepare to take her ill daughter to America the following morning. During the radio show Ko Sun-Young receives a startling text message. At Ko Sun-Young's apartment, her ill daughter is being watched by Sun-Young's sister Ah-Young (Shin Da-Eun). Then, a man named Dong-Su (Yoo Ji-Tae) breaks into the apartment with a large wrench. He knocks Ah-Young unconscious, but is unable to locate Sun-Young's daughter - who is hiding in a closet. Dong-Su then sends the text message to Sun-Young instructing her to follow his directions and not to tell anyone. Written by luraz isketambola