Do-kyung jumps into the water to save his drowning student Ji-yong. After the two pass away, Do-kyung's wife, Ji-ji, and Ji-yong's sister, Ji-eun, are left alone in the world and have to deal with the pain of losing their loved ones. Ji-ji travels to Warsaw, Poland, to avoid the harsh reality. She meets an old friend and hides the news of her husband's death, as if trying to reject the tragedy.