Unknown recipient [Film and TV commentary]

At the end of the Korean War, in a village or town near a U.S. military base in South Korea, the lives of most residents were shrouded in post-war emptiness, confusion and despair, and it was difficult to find a way out. The dark-skinned Sang-moo (Yang Dong-geun) was born to a black American soldier by his mother (Fang Yin-zhen) during the war. He was discriminated against since childhood and developed a violent character. When he had nowhere to vent, he would punch and kick his mother. His mother was unwilling to accept the mercy of fate and repeatedly wrote to the United States, hoping that her black The husband was able to bring their mother and son to the United States, but every time he received a return letter with "unknown addressee"; and his friend Eun-oh (Kim Young-min), who made a living by painting, was often bullied by gangsters because of his frail constitution. When his beloved girl was bullied and surrendered to the American soldiers, he could only watch and secretly go crazy.