1 Season
20 Episode
Gap Dong - Season 1 Episode 18
- Year: 2014
- Country: South Korea
- Genre: Crime, Drama, Mystery
- Studio: tvN
- Keyword: detective, investigation, psychopath, murder, serial killer, mad dog
- Director:
- Cast: Jeong In-gi, Jo Min-jun, Yoon Sang-hyun, Kim Min-jung, Sung Dong-il, Lee Joon