As the tragic war of fratricide is drawing to a close, a special agent nicknamed Dokbul, Kang Cheol-gu, is given an intelligence mission to identify and confirm the enemy's unusual movements. While on a mission, Cheol-gu infiltrates the enemy's camp alone and accidentally witnesses a bloody scene of massacre of civilians. He saves the only survivor, Hwang No-in, and is hinted that the enemy's plot is very dangerous. Cheol-gu approaches Mi-young, a People's Army nurse, to extract information, but is exposed to the enemy and escapes a crisis a...
