Follows the lives of two couples who live in the same neighborhood. Kim Man-Suk delivers milk on a motorbike at dawn. He curses a lot, but actually has a warm heart. One day when he goes up a slope, he meets Ms. Song - a lonely woman who works hards by collecting and selling scrap paper. Man-Suk feels something special toward Ms. Song. Jang Kun-Bong works in a parking lot. Jang Kun-Bong has a wife who suffers from Alzheimer's. He works from dawn until late at night. After work he comes home and takes care of his wife.

Ki-bong is a man who suffered brain damage as a child and who has the emotional maturity of an 8-year. The village people call him 'Barefoot Ki-Bong' because he runs barefoot with food he has begged and serves his mother before it gets cold. Running is Ki-Bong' greatest skill. It is his mother that Ki-bong loves the most. Ki-bong decides to take part in the National Amateur Half Marathon' in order to buy artificial teeth for his mother with the prize money, and works hard looking forward to the day of the race. Mr. BAEK, the head of the village, volunteers to be Ki-bong's trainer. The village people realize what family and love between family members mean to them when they see Ki-bong, who is considered a non-entity, working hard for the competition. The village gets changed by the efforts of Ki-bong and Mr. BAEK.