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 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.

Woo-ri, 32, and Ja-young, 28, who both dislike being alone but have particular anxieties when it comes to dating, meet through an app.

A police detective who loses everything to a criminal organization seeks payback when he gains special abilities through biotechnology.

Mo Seok-hee is an only child and her father runs the large company MC Group. She is beautiful, smart and rich. Mo Seok-hee appears like she is arrogant, but she struggles over her mother’s death. Her mother was killed 15 years ago. Meanwhile, Heo Yoon-do is a lawyer, but he doesn’t even have an office. He solves small problems of neighborhood residents at a restaurant. He is full of love. Miraculously, Heo Yoon-do is headhunted to join the TOP team at MC Group. The TOP team manages the affairs of the family who runs the MC Group. Their job includes covering up immoral or illegal behaviors done by the family.

Ji Yeon is a beautiful university student, majoring in music. She is dating Dong Seok, but Dong Seok’s parents want him to study abroad. The day before he is scheduled to leave South Korea to study abroad, he prepares a proposal event for Ji Yeon. Ji Yeon does not appear at the event.

Cha Woo Kyung is a child counselor who works at a children’s center. Her life seems perfect since he is married to a great husband and is pregnant. However, her perfect life doesn't last long, when an accident changes her life. She then meets Kang Ji Hun, a detective who is hurt for hiding his troubling past but is strict toward criminals and believes they should be punished to the full extent.

Detective Kang Dong-Soo's fiance is killed mysteriously. He works with a female detective who can see 3 days into the future. She sketches what she sees. They set out to capture the murderer. Kim Do-Jin is a former special forces member. His pregnant wife was killed and he plots revenge.

An art history lecturer, unfairly disgraced for refusing to certify a suspicious painting, endeavors to set the record straight by exploring the mystery of a 16th-century artist using a diary that may lead her to the genuine painting.

2016 KBS Drama Special. One day, theater director Shin Pa-rang suddenly kills himself. He did not even leave a last will. Playwright Choi Hyun reacts calmly to his death, but she can't understand his death.

A washed-up bowling legend and his woman are drowning in debt. They decide to recruit an autistic genius to win money playing the game.

Yoon Jae moves to a new high school and starts hanging out with Se Joon, a mysterious student. Needing money for his sickly mother, Yoon Jae accepts a job offer by Se Joon. However, he doesn't exactly know what it is.

Operating under the alias Yong-pal, a surgeon gets enmeshed in a dark conspiracy involving a chaebol heiress forcibly put in a medically induced coma.

After long and grueling hours immersed in brutal crime investigations, lead detective Choi Young Jin must face the particular horrors of singlehandedly raising her daughter Ha Eun. Any way you look at it, Young Jin's got her work cut out for her, but it's only a matter of time before her professional and personal worlds collide in new and disastrous ways.

A high school teacher whose wife is about to give birth finds himself tangled in temptation and obsession when a student falls for him.