Private Eye

The story takes place in occupied Korea at the start of the 20th century, where a young student in medicine discovers the murdered body of the son of a government official. Being scared of being accused, he decides to hire Hong Jin-ho (a detective) to help him find the murderer before the police accuse him of the murder.

Private Eye is a 2009 thriller movie directed by Dae-min Park, starring Oh Dal-su, Uhm Ji-won, Ryu Deok-hwan. It holds an IMDb rating of 6.7/10 from 1,153 votes and runs 1h 51m.