Kang Do-ha

After two years of casual sex, a pair of emotionally repressed lovers abruptly part ways. But as they start new lives, memories of the past remain.

Sergeant Jeong Cheol-min's squad are in a renovated stock room with no window. The squad members are well known to be a hardworking group until Councellor Hong Yeong-soo comes in and starts causing trouble. Hong Yeong-soo seems to have difficulties adjusting to this environment. Things in the army changes rapidly, Jeong Cheol-min and his crew find themselves under attack perceived as the aggressors.