Ba-Wool is a student at Daemyung High School which is Christian School. Every morning, a hymn resounds throughout the high school. Ba-Wool is a student president, but he is also non-Christian. He is unable to accept the required religious services and classes that all students have to attend. Ba-Wool talks to the principal, but the principal doesn't listen to Ba-Wool. Making things worse, Ba-Wool's only counselor, the school chaplain, is kicked out of the school. Ba-Wool's friends and his parents do not understand Ba-Wool. Finally, Ba-Wool refuses to take religious services and he begins a one person protest, while going on a hunger strike.
Hyun-myung, Doo-yong- and Gun-woo decide to spend the night at their secret place at the pond to celebrate their last day of high school and Sung-pil’s sister Kyung-mi’s birthday. Later night as the party intensifies, Gun-woo and Kyung-mi go back home quickly to get something, however they don’t make it back. The rest go searching for them only to find Gun-woo’s broken scooter and Kyung-mi’s dead body near the verge of the town and Gun-woo is missing. Four years later, Hyun-myung comes back in town and runs into his old friends. Eventually the truth of the past unfolds.
The various faces of youth and people in an enclosed space of a convenience store for 12 hours.