About
The border of 820 is where the North and South Koreas stand face to face Elite female lieutenant Kwon Jinkyeong from the Korean Military Academy and 4 other cavalry battalions are on patrol on their last day of training Meanwhile students from the photography club get lost on their way to check out scenery and enter BAse 820 An unknown shot is fired and the group is terrified Kwon Jinkyeong and her team look for the source of the shot