A by-the-book police officer is assigned to secretly investigate a team leader who believes that the rules shouldn't stop an investigation. As the officer investigates further, his own attitudes begin to mirror the team leader's.

After a high-ranking North Korean official requests asylum, KCIA Foreign Unit chief Park Pyong-ho and Domestic Unit chief Kim Jung-do are tasked with uncovering a North Korean spy, known as Donglim, who is deeply embedded within their agency. When the spy begins leaking top secret intel that could jeopardize national security, the two units are each assigned to investigate each other.

A young Korean man surpasses his difficult childhood by becoming a powerful prosecutor, but soon learns that real power comes at a price.

A quiet, professional killer, Hyun-jun, arrives at a house to kill a man in his sleep, only to discover a woman alone under the sheets. Jin-young has decided to kill herself after a traumatic break up with her lover of seven years, but she wants to go out with a bang, not with a miserable and lonely dose of commonplace sleeping pills. The most extraordinary love story begins.

Nine a.m. October 26, 1909, six gun shots ring out at Harbin station in China, followed by a cry in Russian saying "long live Korea".Ahn Jung-geun one of the leaders of the independence movement had shot Ito Hirobumi, the first Japanese resident general in Korea. He hears while being questioned that Hirobumi had died, and he thanks God. He confesses that he had shot Hirobumi without ever having seen his face, which surprises the investigators. And they wonder about the 7th bullet that Jung-geun had left unfired.

Kyung-ho is a genius computer programmer who manages the on-line networks of all banks in Korea. One day, he accidentally runs into a man, John, who is an attractive businessman. John invites Kyung-ho to experience his lifestyle in high society. Through these lavish escapades, Kyung-ho is awakened to his hidden desires. As Kyung-ho finds out about a secret project John is working on, John asks him to join him in a plan to illegally withdraw small amounts of money from all the bank accounts across Korea by using Kyung-ho’s genius computer programming skills. With absolute trust in John, Kyung-ho finally joins this huge con game against Korea. Will John and Kyung-ho, who dream of being on top of the world, be the winners of this game?