Marathon

Cho-Won is a 20-years-old young man with autism. He lives with his highly protective mother and younger brother, who sometimes resents the attention his older brother receives from his mother. Through special schooling and taking part in physical activities, he has adjusted relatively well into society and also seems to have a knack for running. After placing third in a race, his mother decides to hire a proper coach to train her son. Cho-Won then decides to take part in a marathon to break the marathon's fastest record.