The Accidental Detective (English title) / Private Investigator: The Beginning (literal title)(탐정: 더 비기닝)is a September 24, 2015 Movie directed by Kim Jung-Hoon South Korea.
Dae-Man ( Kwon Sang-Woo ) is busy running a comic book store, website, taking care of a baby and solving murder cases. He gets the biggest kick from going to the police station and giving his opinion to detectives. Highly respected Detective No ( Sung Dong-Il ) at the police station can't stand Dae-Man.
One day, Dae-Man's friend and detective, Joon-Soo ( Park Hae-Joon ), is arrested for murder. To prove his innocence, Detective No teams up with Dae-Man. Meanwhile, a second murder takes place.