In this thrilling investigative drama, Rim Chul Ryung, a steadfast North Korean detective, navigates a treacherous web of crime and political intrigue. When a mission in Germany goes wrong, Ryung returns to his homeland on a quest for a shadowy international criminal organization. Accompanied by his witty and resourceful partner, Kang Jin Tae, Ryung must delve deep into the murky depths of their society's underside, where politics, crime, and secret dealings intersect. As they get closer to the truth, they expose a corruption that threatens to rock the very pillars of their tightly controlled society. Will they succeed in bringing justice while exposing the truth, or will they fall prey to the ever-present danger that lurks in the shadows?