Overview
Chul-soo is a man with an intellectual disability. One day, Chul-soo finds out that a young girl, Saet-byul, who is in hospital is his daughter. And soon, Saet-byul sneaks out of the hospital and travels by herself to a faraway city for her friend's birthday. As Chul-soo accompanies Saet-byul's journey, friendship develops between the two.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 49 | 55 | |
 | 12 | 18 | |
 | 43 | 49 | |
 | 61 | 67 | |
 | 53 | 59 | |
 | 35 | 41 | |
 | 15 | 21 | |
 | 46 | 52 | |
 | 50 | 56 | |
 | 49 | 55 |