One hot summer night, Tae-jeong receives a phone call from his middle school friend, Seung-young, who was under his command during their military service in the army. When Tae-jeong meets up Seung-young, however, he finds he feels awkward and uncomfortable around him. During their military service, Tae-jeong looked out for Seoung-young who could not adapt to the environment of the army. After Tae-jeong was discharged, Seung-young started to change with no one to buffer him from the military ways.