20 titles, most popular first
In October 1986, two women are found murdered on the edge of a small town, and the poorly equipped local police are soon overwhelmed. Detectives Park Doo-man and Cho Yong-koo rely on violence and fake evidence, while Seo Tae-yoon, a better-trained detective from Seoul, joins the hunt as more killings follow.
After his fiancée Joo-yun is brutally murdered, secret agent Kim Soo-hyun vows to make her killer pay. Working outside the law, he sets out to hunt down the man responsible, a school bus driver named Jang Kyung-chul who has killed before, and his quest for vengeance turns into a vicious contest between the two men.
Baek Hee-sung keeps his true identity and past hidden from his wife, detective Cha Ji-won. Together with their six-year-old daughter, they seem like an ideal family. But when Ji-won and her team begin looking into a string of unexplained killings, she starts to wonder whether her husband is keeping something from her.
Joong-ho, a former detective now running call girls, is losing money because two of his women have vanished. Convinced a certain client is selling them off, he sends Mi-jin, who is sick, to meet the man and text back his address. That night turns into a desperate race through Seoul's streets as Joong-ho hunts for her.
After her parents are murdered by a killer who marks his victims with a barcode, Choi Eun-seol wakes from a coma with no memory and a strange new ability to see smells as colors and shapes. The same night, Choi Moo-gak loses his younger sister in a hospital attack. Years later, Eun-seol lives as Oh Cho-rim, a cheerful aspiring comedian.
Detective Ko Moo-chi, still haunted by a horrific crime he saw as a child, is determined to catch a psychopathic serial killer. With rookie officer Jeong Ba-reum at his side, he digs into what drives psychopaths and whether a tendency toward psychopathy could be spotted in a person's genes.
Jang Dong-soo, a feared crime boss, survives a brutal attack by a seemingly random serial killer. Detective Jung Tae-suk, whose superior dismisses his serial killer theory, wants Dong-soo's help, and the two very different men end up joining forces to hunt the killer, each for his own reasons.
Detective Moo Jin-hyuk is consumed by guilt after his wife is murdered while he is on duty. Kang Kwon-joo, an officer with extraordinary hearing who works as a voice profiler, lost her father in the same case. Three years later, they team up at the 112 emergency call center, racing against time to save victims and track down the killer.
In 1990, detective Choi Hyeong-goo corners a serial killer who has murdered ten women, but the man gets away after a brutal fight that leaves Choi scarred. Fifteen years later, as the statute of limitations runs out, a man publishes a book titled I Am the Murderer, claiming the crimes as his own.
A year after a disastrous mistake leads to a hospital bombing that kills several SWAT officers, team leader Kang Ki-hyung returns to the NCI, an elite criminal profiling unit. He is immediately pulled into a serial murder case alongside a local violent crimes unit, including hot-tempered officer Kim Hyun-joon, who seems to hold a grudge against him.
Oh Taek, an ordinary taxi driver, is offered a big fare to drive a passenger all the way to Mokpo. He reluctantly accepts, only to realize his passenger is a serial killer, and he must rely on every bit of his wits to make it through the long, terrifying ride.
Byeong-soo, a small-town veterinarian, hides a violent past as a killer and now lives with Alzheimer's after a head injury. He records his days in a memoir while looking after his daughter Eun-hee. When two young women are murdered nearby, he cannot tell whether he did it, and a chance car crash puts a stranger under his suspicion.
Koo Kyung-yi is a former police officer whose world now revolves around games and alcohol. She is drawn back into detective work when she stumbles onto a mysterious string of murders cleverly made to look like accidents, putting her on a collision course with a cunning young killer.
Yook Dong-sik is a timid securities analyst who can't stand up to anyone. After witnessing a murder, he flees with the killer's diary and is hit by police officer Shim Bo-kyung's patrol car, losing his memory. Finding the diary in his hands, he becomes convinced that he himself is a psychopath.
Kim, a widowed narcotics detective, is meeting a would-be informant named Kang when Kang is arrested for killing his girlfriend. Months later, Kang calls Kim from prison claiming he has murdered six more people, and Kim sets out to find the truth, never sure whether he can trust a word the killer says.
As a high school student, Yoon E-na found her uncle murdered with a strange puzzle piece left at the scene, and because she could not remember how she got there, Detective Kim Han-saem suspected her. Ten years later, E-na is a gifted criminal profiler, and when new murders appear with the same puzzle pieces, she must work with Han-saem again.
Tae-pyeong can look into a person's eyes and see precisely when they will die. While helping police with the case of a kidnapped girl that may be tied to the infamous Midnight Killer, he meets Detective Joon-young and is stunned to find she is the first person whose death he cannot see. The two join forces to stop the killer.
In the early days of criminal profiling in South Korea, the country's very first profiler struggles to understand how serial killers think. At the same time, he fights to convince a doubtful society that studying criminal behavior is the future of solving crimes.
Twenty years after being viciously bullied at school, Hwang Gyeong-min begins killing people tied to that past. Detective Jung Jong-seok, his former classmate, starts getting messages from an old friend, and he teams up with principled detective Kang Jin-ah to find the next targets in time.
Kang Tae-joo, once a star detective, has been demoted and sent back home to Gangseong, but he still refuses to bend to injustice. He sees the town's serial murder case as a way to win back his reputation, yet he keeps clashing with prosecutor Cha Si-young, who bullied him back in school.
