Billy Lynn is a 19-year-old Army specialist fighting in Iraq. After he and his comrades barely survive a tense battle that receives broad news coverage, they are celebrated as heroes and brought back home by the Department of Defense.
Second Lieutenant Han Sang-Yeol (Siwan) leads his platoon during the Korean War. He carries emotional scars and pain within. He then meets children from a choir. The child have lost everything in the war.