Yoon Jae moves to a new high school and starts hanging out with Se Joon, a mysterious student. Needing money for his sickly mother, Yoon Jae accepts a job offer by Se Joon. However, he doesn't exactly know what it is.
Man-ho is a pacemaker for Korean national marathon team. His purpose is to stay ahead of others until the 30km mark. But he gradually grows a desire to run for the victory.
