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A drama about the race between people who want to get closer to the truth and those who want to cover it up. Jang Seung Jo will take on the role of Oh Ji Hyuk, an elite detective of nine years who does not share his feelings with others due to pain he experienced when he was young. He is not swayed by money and power, even with the huge wealth he inherited from his uncle.

A drama about the investigations of AC-12, a controversial police anticorruption unit.

A lawyer with a ten-percent winning rate is caught up in a murder case and becomes the notorious and genius con artist, Big Mouse, overnight. In order to survive and protect his family, he tries to reveal the true colors of the privileged people involved in a huge conspiracy.

Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.

Seo Dong-ju, who hacked a political slush fund worth two trillion won, risks it all for revenge.

Someone causes a narcotics unit detective to become addicted to drugs. What is the connection between them?

Following her father's murder, a revenge-driven woman puts her trust in a powerful crime boss — and enters the police force under his direction.

Two junior investigators come together against a new breed of criminal, the uber rich and powerful corporations, individuals and governments who hide behind legitimate facades.

Three "good girl" suburban wives and mothers suddenly find themselves in desperate circumstances and decide to stop playing it safe and risk everything to take their power back.

When Jaehee, a top call girl at a club in Gangnam, goes missing, Detective Kang Dongwoo returns to crack the case. Prosecutor Min Seojin aims to rise in rank, while the notorious pimp, Yoon Gilho becomes a prime suspect. They unravel a web of secrets and connections behind the case.