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 | Role |
|---|---|
 Kim Yeong-cheolNot listed | Not listed |
 Park Soon AeNot listed | Not listed |
 Kil Yong-wooNot listed | Not listed |
| JJi Yeong-sinNot listed | Not listed |
| JJoo Ho-sungNot listed | Not listed |