
It takes a bad guy to catch a bad guy.
Hong Gil-dong is an infallible private detective with an exceptional memory and quirky personality. While chasing the only target he failed to find, he gets entangled in a much bigger conspiracy than he bargained for.

Kim Dong-hwi
Student

Choi Seung-yoon
Dock Unidentified Assailant

Kim Ha-na
Mal-soon

Chung Sung-hwa
Innkeeper

Jang Se-won
Policeman

Lee Jun-hyeok
Real Estate Agency Owner

Yoon Yeong-gyun
Tae-jung