Kim Yoon-sung

An undercover cop has his loyalties tested when the boss of the corporate gang he’s spent years infiltrating dies.

A brilliant math teacher formulates the perfect cover-up after his neighbor murders her abusive ex-husband.

Two detectives in need; Myung-deuk looks after gang and takes bribes for his sick daughter; Dong-hyeok helps Myung-deuk to settle his gambling ...

Hae-woong, an assembly member candidate, is taken out of the running because he became a thorn in the side of a local bigwig, Sun-tae. Hounded by ...