Nam Gyu-ri

K, a radio producer who loves a woman named Cream, is told that he has only a few months left to live. Because he knows Cream's biggest fear is to be left alone, he keeps his illness a secret and urges her to marry a guy named Ju-Hwan. One day, Cream announces that she is in love with Ju-Hwan...

On the eve of the dreaded university entrance examinations, the lives of 24 of the smartest and brightest students at one high school, are on the line. Locked inside a classroom and nowhere to escape, a television monitor broadcasts a terrified Hae-yeong, the top student at the high school, tied up and seated on a chair inside an aquarium that slowly begins to fill with water. A voice from the monitor announces if the 24 cannot finish the exam administered within the allotted time given, Hae-yeong will die and so will everyone held captive inside the classroom. Thus begins the examination that will determine whether they live or die.

Jimin has killed a girl in a car accident when she was driving with her fiance Woojin. From that night, she experiences terrifying hallucination seeing the dead girl. Unable to bear it, she finally goes to the police to report the truth, only to find that she didn’t actually have a car accident.