With the help of his family and a coach, an autistic man trains and competes in a lengthy marathon. The young man had always dreamed of competing in an event like that.
Seo-rin learns that life can be cruel when she is abandoned by her mother in a movie theater as a child. She grows up on the streets and eventually meets the insomniac Jeong-il and is charmed by his innocence. Although their initial encounter is brief, it launches them on a quest for love and a search for each other