Jin JANG (Film It Suda), Myung-Hong SUK, Tae-Sung JEONG
Cho-won is a lovely, normal-looking child who likes chocolate cookies and zebras. Finding out he is autistic, his mother kneels down before the burden of reality. However, his mother discovers his love for running, and let Jung-woo, a former marathon champion, to train him. He learns to open his heart to Cho-won as they spend more time together, but the mother realizes she's obsessed, which makes her realize that she's been pushing his son around to make herself feel better about him being autistic. Consequently, she decides not to let him run any more.