In the province of Quango Tr, the bitterly embattled front of the Vietnam War, the young soldier Bay and 40 of his fellow recruits search for mines and bombs which caused devastation more than 30 years ago and do their damage to this day. On the harsh threshold between the youthful lust for adventure and the responsibilities of a soldier, friends have been made inside the military camp, where they share their anxieties, dreams and longings.