A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the incident.

Kim Seo-hyung, Ryu Deok-hwan, Park Hoon, Ahn Ji-ho, Jo Han-chul, Seo Young-joo, Min Jin-woong, Moon Sung-keun, Park Cheol-min, Baek Soo-jang, Jang Young-nam, Park Min-jung, Yoon Chan-young, Tae Won-seok, Jeon Seok-chan, Kwon Hae-hyo