Set in the 1970's, Baek Gi Tae is an ambitious man, who thirsts for wealth and power. Jang Gun Young is a prosecutor with animalistic instinct and fearsome tenacity. Facing a major incident, Jang Gun Young throws his everything to stop Baek Gi Tae. The people around them include Lobbyist Choi Yu Ji, Investigator Oh Ye Jin, Bae Geum Ji and Chief Secretary Chun Suk Jung.
E1
An aeroplane headed to Fukuoka is hijacked midair. Ki-tae attempts to negotiate with the terrorists but, in the process, reveals his true identity.
E2
Geon-young has been working to bring down the Manjae Gang - unaware they're being protected by the KCIA. In response, Ki-tae is ordered to investigate.
E3
Kitae gets involved in an illegal operation as Geonyoung closes in on the truth.
E4
Kitae meets with Ikeda clan to scale up operations while Geonyoung follows him to Japan.
E5
Geonyoung figures out how to arrest Kitae, who obliviously continues to expand his business.
E6
Kitae searches for a new business partner with Yuji, while Geonyoung sets a trap to catch him.