Overview
A deep secret from Kim Jin-woo's past is slowly eating away at him and making him act more and more irrationally. He loses his position as a philosophy professor due to his erratic behavior. He and his wife turn to a psychiatrist to get to the root of the problem.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 36 | 72 | |
 | 24 | 60 | |
 | 33 | 69 | |
 | - | - | |
| 40 | 76 |