ONG Gildong 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.
Lee Je-hoon Hong Gil Dong
Go Ara President Hwang
Geun-hyeong Park Kim Byeong Deok
Kim Sung-kyun Gang Seong Il
Jo Sung-hee Director