The Accidental Detective is a 2015 South Korean action-comedy film that follows the unlikely partnership of two individuals: a true-crime enthusiast and a demoted detective. Directed by Kim Jung-hoon, the film was released on September 24, 2015.

The plot is loosely inspired by Alfred Hitchcock’s classic thriller, Strangers on a Train. Dae-man, a passionate true-crime aficionado, teams up with Detective Noh, a seasoned detective who has fallen from grace. Together, they form an unconventional duo, combining their unique skills to solve complex crimes.

The film’s success led to a sequel, The Accidental Detective 2: In Action, which was released on June 13, 2018.

Both films have been praised for their witty humor, engaging characters, and thrilling plot twists.