Overview
Cho-won is an autistic but happy young man who loves to draw zebras and run. His mother wants him to feel normal by accomplishing a feat that no one thought his son could achieve. With the help of a coach in exile, she trains him to become a marathon runner.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 24 | 45 | |
 | 45 | 66 | |
 | 41 | 62 | |
 | 15 | 36 | |
 | 40 | 60 | |
 | - | - | |
| - | - | |
| 29 | 50 | |
| - | - | |
 | 21 | 41 |