11 titles, most popular first
Kim Hyun-jun and Jin Sa-woo, best friends as close as brothers, serve together in an elite army special forces unit until they are recruited into the NSS, a secret South Korean black-ops agency. Both fall for Choi Seung-hee, the agent who quietly scouted them, as they begin a dangerous new life in espionage.
Han Gil-ro spent his childhood watching James Bond films and finally lands his dream job as a rookie agent at the National Intelligence Service. Kim Seo-won is a clumsy but determined fellow trainee. After training side by side, the two must keep their real identities hidden from one another, even as romance grows between them.
After seeing his mother murdered by the gangster Mao, Lee Soo-hyun is taken in by NIS agent Kang Jung-ho's family and grows up to become an agent alongside Jung-ho's son Min-ki. When a mission stirs up his childhood trauma and his hunger for revenge gets him fired, he is offered a chance to go undercover inside Mao's gang.
Longtime star Yeo Woon-gwang suddenly needs protection and hires Kim Seol-woo, a talented and mysterious bodyguard. Seol-woo is secretly a black ops agent for the intelligence service, using the job as cover for his own mission, while also growing close to the star's manager, Cha Do-ha.
Ahn Soo-ji is a veteran domestic secret agent and martial arts expert, while Lee Jae-joon is a rookie international agent better at analysis than fieldwork. They are dating, but neither knows the other's secret job. When a Russian crime group gets hold of a dangerous bio-chemical weapon from Korea, the two end up on the same mission without realizing it.
Mun-ju is a skilled diplomat who once served as UN ambassador, and San-ho is an international special agent whose nationality is a mystery. After Mun-ju's husband is killed, the two join forces to uncover the truth behind a deadly attack that could shake the security of the Korean Peninsula.
In 1896, after his queen is killed and his throne is under threat, Joseon's King Gojong shelters at the Russian legation, where he discovers a taste for coffee. Back in power, he hires the worldly Tanya as his personal barista. Tanya soon finds herself pulled into a dangerous circle that includes the Russian marksman Ilyich and a mysterious socialite who goes by two names.
Han Myung-wol is a North Korean agent sent into the South with orders to abduct Kang Woo, a hugely popular hallyu actor. Her mission quickly gets complicated when she starts to fall for the very man she was sent to kidnap.
Lee Soon-ae, a recently widowed traffic officer, pulls over a charming stranger named Han Yoo-il for a routine violation, not knowing he is an international spy on a secret mission. When she forgets to give back his high-tech spy pen, she is drawn into the shadowy world of espionage.
Kang Ah-reum designs wedding dresses and has two marriages behind her, and both husbands hide who they really are: her ex, Jun Ji-hoon, is an undercover Interpol agent, and her current husband, Derek Hyun, is an industrial spy. When a close friend is murdered, Ah-reum turns to Ji-hoon and his team to find out the truth.
In 1932 Gyeongseong, Lee Ga-kyung is the city's most skilled pickpocket and con artist, saving up to leave Joseon and start over abroad. For the independence movement, she agrees to spend 100 days undercover as an interpreter at the Japanese Government-General, where she meets Kim Tae-woong, an elite interpreter also known as Sato Hideo.
