An expelled boxing champion, who now is a high-school teacher, witnesses intolerable violence and throws her first punch to build justice against it, while putting on a mask.
Ha Yoon-ju becomes the newest member of a unit within the Korean Police Forces Special Crime Department that specializes in surveillance activities on high-profile criminals. She teams up with Hwang Sang-jun, the veteran leader of the unit, and tries to track down James who is the cold-hearted leader of an armed criminal organization.
Dong-hyun is a high school student. One day, he falls from the rooftop and bumps into Pan-soo who is a passerby. Pan-soo is a member of a criminal organization. When the two men wake up in the hospital, they discover that they have switched bodies.
Three elite North Korean sleeper agents live under cover for so long that they believe their cover stories are their real identities. They are shocked when they are ordered to kill one another or face death at the hands of an elite hit team.
Two spies share a secret bond, despite their loyalties. A North Korean assassin is sent to Seoul to kill a dissident, but instead he teams up with a South Korean agent in search for revenge.
Two apathetic police academy recruits who become best buddies through the tough training together witness a woman being abducted right before their very eyes. As they were taught in the academy, they quickly report the incident to the police, but the police are in no hurry to jump on the case. So the duo decide to take the matter into their own hands and rescue the woman.
Over a 4 day period, a fierce battle takes place between Korean independence militias and imperialist Japanese forces in Manchuria, China. The militia includes a master swordsman and an expert marksman.
Two North Korean soldiers are killed in the border area between North and South Korea, prompting an investigation by a neutral body. The sergeant is the shooter, but the lead investigator, a Swiss-Korean woman, receives differing accounts from the two sides.
Min-jae, a rookie police officer with a natural born talent for driving, is assigned to the perfect team: the Hit-and-Run Squad. But at the same time, for police detective Si-yeon, it is a place she is unjustly demoted to for doing her job. The two team up to arrest the rich and powerful speed maniac Jae-chul who is suspected of committing crimes for his obsession for speed.
A wealthy oil tycoon decides to steal oil from a pipeline running between Honam and Seoul-Busan motorway. To carry out this heist, he enlists the help of an experienced drilling engineer and his team.
Ji-wook is a virile detective with a reputation, but deep down in his heart, he always considered himself as a woman and finally decides to get a transsexual operation. However, his plan falls apart as vicious gang members start their revenge on him.
Late 18th-century Joseon dynasty. The King is beleaguered and surrounded by traitors of the ruling elite. They plan to assassinate and replace him with a puppet. But the King has some aces up his sleeve that may help him defeat them all.
Choi Ik-Ho is a martial arts star with talent for action and humor. But one day, he is framed for murder. Ace is a game planner, who makes a game for the Korean upper class. He is a villain who makes a city into a big gameboard through technology. Ace and Choi Ik-Ho become adversaries as Choi Ik-Ho jumps into the game to save his brother.
Ancient Korea, 1728. Swordsman Kim Ho, guard of King Yeong-jo of Joseon, is demoted and sent to work in Uigeumbu prison. When night falls, the prison is assaulted by the master warrior Do Man-cheol and his powerful henchmen for the purpose of freeing Lee In-jwa, who has been condemned to death for rising up in revolt against the king.
With each day feeling hopeless and bleak, Kang-jin's life takes a dramatic turn when he stumbles upon a lost envelope of money belonging to Rang. Using this newfound wealth, he takes a stand against Nam-young's girlfriend Da-young. But when Nam-young discovers Kang-jin's actions, he strikes back by stealing his money and issuing dangerous threats. With nowhere to turn, Kang-jin confides in Rang, who reveals a secret knowledge of the debt-collecting world. Together, they embark on a thrilling journey of power and control, as Kang-jin takes his first steps into the world of loan sharks.
A desperate 35 year-old Young-sil is more than ready for full time job. And finally she gets a call from National security department as an intern. But her joy lasts no long, soon asked to leave. Accidently she discovers a secret about her boss and she suggest a deal of full time job to help him; secret spy.