Set in the late 1920s, The Age of Shadows follows the cat-and-mouse game that unfolds between a group of resistance fighters trying to bring in explosives from Shanghai to destroy key Japanese facilities in Seoul, and Japanese agents trying to stop them.
On the way to his mother’s funeral, a detective accidentally hits a person with his car. He takes the body with him and puts it into his mother’s coffin. The moment he feels relieved, he receives a call. This caller insists that he saw the detective’s hit-and-run, but instead of asking for money, he wants to know about the body’s whereabouts, leading to a do-or-die showdown of the witness and detective.
Hell-bent on avenging the murder of his family, a former detective infiltrates a remote island that serves as a prison for vicious death row criminals.
Ja-yoon is a high school student who struggles with memory loss after she endured some unknown trauma during her childhood. While trying to uncover the truth, she is unwittingly dragged into a world of crime and finds herself on a journey that will awaken many secrets hidden deep within.
May, 1980. Man-seob is a taxi driver in Seoul who lives from hand to mouth, raising his young daughter alone. One day, he hears that there is a foreigner who will pay big money for a drive down to Gwangju city. Not knowing that he’s a German journalist with a hidden agenda, Man-seob takes the job.
Cheol-Min, a man with a dark, picks up a part-time night job as a parking lot attendant. He sits in the tiny pay booth in the parking lot and stares at the small television. A woman named Jung-Hwa walks into the booth. Cheol-Min realizes the woman is blind and she is confusing him for the parking attendant who worked there previously. Nevertheless, the woman comes back on another night to watch the same television drama series. Cheol-Min starts becoming attached to Jung-Hwa and they find out they are connected by the same incident in the past.
Jun-shik, who works for Tatsuo’s grandfather’s farm while Korea is colonized by Japan, dreams about participating in the Tokyo Olympics as a marathon runner. Tatsuo also aims to become a marathon runner, so the two become rivals. But the war breaks out and they both are forced to enlist in the army. Tatsuo becomes the head of defense in Jun-shik’s unit and he devises a scheme but fails. Jun-shik and Tatsuo are held captive by the Soviets. They run away but soon are captured by the Germans and forced to separate. In 1944, they meet again on the shores of Normandy.
13 years after the King Injo Revolt, the Chosun Dynasty is attacked by the Chung Dynasty of China. A young man named Na-mi leaves his demolished village to find his young sister, Ja-in, and her finance Su-koon, who were to wed on the very day of the attack. While on his mission to rescue her, he is being traced by Jushinta, a fierce Chung Warrior, and his band of malicious men who are out to stop him. Na-mi has but a day to rescue his sister before she is taken away to be a slave. When Na-mi finally finds his sister, Jushinta comes between them and a fierce battle between two of the finest warriors unfolds.
A former serial killer Byung-su gets diagnosed with Alzheimer’s and when a series of murders occur near his town, he worries whether the killings are his doings. Then, he comes across Tae-ju and realizes that he’s the killer. He reports this to the police, only to learn that Tae-ju is one. Byung-su tries to find evidence against Tae-ju, only to raise the young killer’s interest on him and his dear daughter.
On the day the 15-year statute of limitations expired on a high profile serial murder case that claimed the lives of 10 women, a family member of the victim throws himself off the building in front of Choi Hyeong-goo, the detective in charge of the case. Two years later, a man called Lee Doo-seok publishes a book titled \I am the Murderer\ claiming responsibility for the murders that took place 17 years ago. His book becomes a bestseller because of the author’s charming looks and his vivid depiction of the crime. The detective and the self-proclaimed murderer meet face to face on a television debate show. Believing that Lee is nothing but a con artist, Detective Choi renews his search for the ultimate truth. Then another man appears suddenly, claiming he is the real killer.
After barely surviving a violent attack by an elusive serial killer, crime boss Jang Dong-su finds himself forming an unlikely partnership with local detective Jung Tae-seok to catch the sadistic killer simply known as K.
