Yu-Yin is a math teacher in a junior high school, She plays a very important role in both her students and her family's lives. However she receives the trickiest question in life just when she was about to go on a relaxing trip. Jun-ho, an adolescent boy in 9th grade, is going through the chaos of his parents divorce and the great pressure of going to high school. With a perfect coincidence, The two desperate souls met in a gas station at midnight. They were going to look at the cows at first, but then a very heart to heart conversation began while they walked into the night. The night is still dark and full of unknown incidents, a life that is stuck may be stuck forever, but with warm company, we might regain the courage once more...