A story about a diplomat and a national intelligence service agent who struggle and risk their lives on foreign soil to save Korean hostages that have been abducted in the Middle East.
A man wakes up missing his memories. Directed by a mysterious voice from a device in his ear, he sets off on a hostage rescue mission rife with danger.
A determined detective continues his search for the truth behind Asia's largest drug organization and its elusive boss he has unfinished business with.
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.
Followed by Ma Seok-do, who heads to a foreign country to extradite a suspect. However, he discovers additional murder cases and learns about a killer who had committed crimes against tourists for many years.
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.
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.
Detective Ma Seok-do changes his affiliation from the Geumcheon Police Station to the Metropolitan Investigation Team, in order to eradicate Japanese gangsters who enter Korea to commit heinous crimes.