A former serial killer with Alzheimer's fights to protect his daughter from her mysterious boyfriend who may be a serial killer too.

A team of tenacious detectives study the minds of murderers at a time when Korea's first serial murders terrorized the nation. Based on true events.

Heo Im is an oriental doctor, acknowledged as the best in acupuncture and moxibustion in Joseon. His success is blocked due to his low status.

People commit variety of ugly crimes these days. However, they forgive themselves by giving testimony every week. They believe that they can repent just by having faith. But the truth is that they have faith to repeat the sins again and again without remorse. These people atone for their evil deeds just to feel comfortable and carefree. It is not about the victims who are suffering because of them. They say every people are equal before the religions. But it is time to discriminate people who only uses them for their interest. Screening if they are really good people, punishing if they deserve to be punished, and defending justice is needed for modern day religion. A priest with this sense of justice teams up with a detective and a prosecutor. They try to solve the mysterious death of an elderly priest and serve justice.

Min-tae, a once-notorious gangster who now leads a peaceful retired life, discovers the bloody corpse of his only next of kin: his younger brother Seok-tae. With his brother’s missing wife Moon-young as the prime suspect, Min-tae uncovers a suspicious last phone call between her and a mysterious novelist, sparking a vicious hunt for the truth despite his seemingly deceitful former crime syndicate and the police in hot pursuit.

Born to a family of established court painters, seven-year-old Yoon-jeong is a young girl gifted at painting. However, the pressure is on her brother to carry on the proud family tradition, as women aren’t allowed to become professional painters. While her brother trains to take his place in the court, Yoon-jeong helps him out by secretly painting for him. The little girl’s life is turned upside down when her brother kills himself. In order to preserve the family honor, she is forced to take her brother’s name and lives as a man. Yun-bok’s genius and talent captures the heart of another great master of the time, Kim Hong-do. But her daring depictions of women are condemned by the royal institute as obscene. Yun-bok meets Kang-mu and falls deeply in love. For the first time, she feels the strong desire to abandon everything she has built and simply be a woman in front of the man she loves. Kang-moo sacrifices all for his love as well.

As illegal firearms flood into a gun-free South Korea, a resolute cop and a cunning arms broker find themselves at odds in a tense showdown.