In the summer of 1969, colonel kim jin pyeong returns to south korea after serving in vietnam. he is suffering from post-traumatic disorder and trapped in a loveless marriage with soo jin, who is desperate for a child. one night, he meets new neighbor jong ga heun, the chinese-korean wife of captain kyung woo jin who recently transfered to the army camp. in the stifling atmosphere of the army camp, the two fall into a secret and passionate affair.