Release date in South Korea : 2010/07/28
Genre : Horror
Duration : 90min
Director : Yoo Seon-dong
Cast : Kim Soo-ro, Hwang Jeong-eum, Yoon Si-yoon, Jiyeon, Park Eun-bin, Ji Chang-wook.
Brief Synopsis :
Se-hee is haunted by her step sister Tae-yeon who used to be a promising swimmer but suddenly killed herself in a swimming pool 2 years ago. During the summer vacation, she joins the study camp at school for upcoming college entrance exam with other 30 elite students. On the first night, when Se-hee finds a riddling passage scribbled in the desk, she soon sees a dead girls body hung upside down. Then the TV monitors are on and the students watch another friend crushed by his bike in the corridor. Since then, the succession of cruel killings occurs whenever they fail to answer the given questions in time. Meanwhile, the hidden truth behind Tae-yeons suicide is slowly revealed and terrified students struggle to death to undo the puzzle before they become the next victim.