The Accidental Detective 2: In Action is about a homicide detective and his partner recruit the help of an online private eye to solve a murder case.
- Movie: The Accidental Detective 2: In Action (English title)
- Revised romanization: Tamjung: Riteonzeu
- Hangul: 탐정: 리턴즈
- Director: Lee Eon-Hee
- Writer: Jung Han-Jin, Lee Eon-Hee
- Producer: Mo Il-Young, Jung Hong-Hoon
- Cinematographer: Ki Se-Hoon
- Release Date: June 13, 2018
- Runtime: 116 min.
- Genre: Comedy / Crime / Thriller / Private Detective
- Distributor: CJ Entertainment
Kang Dae-Man (Kwon Sang-Woo) sells his comic book store and opens up a private investigator agency without telling his wife. No Tae-Soo (Sung Dong-Il) is a former detective and he now works Kang Dae-Man at the private investigator agency. They cooperate with Yeochi (Lee Kwang-Soo) who runs a cyber
private investigator agency.