Overview
Jang-soo is a judo instructor who is indifferent to everyone but his daughter. One day he realizes he can see Tae-jin, a ghost who used to be a devoted police officer. Tae-jin asks Jang-soo to help solve the case that took his life away from him.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 47 | 54 | |
 | 31 | 38 | |
 | 28 | 35 | |
 | 40 | 47 | |
 | 60 | 67 | |
 | 9 | 16 | |
 | 37 | 44 | |
 | 36 | 43 | |
 | 33 | 40 | |
 | 38 | 45 |