- HD 1080
- Runtime: 120m.
- Status: Released
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- Languages: ko
- Country: South Korea
- Director: Kim Joung-hoon
- Stars: Kwon Sang-woo, Sung Dong-il, Lee Seung-joon, Park Hae-jun, Seo Young-hee
- keywords: amateur detective, blogger, buddy comedy
- Production_studio: CJ Entertainment, Cree Pictures
- Slogan: Daddy won't be home for dinner tonight.
- The The Accidental Detective is featured in the top rankings of 2015
- #66 in Top Comedy Movies of 2015
- #29 in Top Crime Movies of 2015
- #31 in Top Thriller Movies of 2015
A cold-case enthusiast blogger and a washed-up veteran detective team up for a joint investigation to rescue their innocent friend who is framed for murder.