在这部最后的证人动作片中,Detective Oh Byeong-ho (Hah Myung-joong) of the Munchang PD gets assigned to the murder of Yang Dal-su. As he follows the trail of clues, Oh begins to seek out the people linked to Yang Dal-su's past. He learns that a man named Hwang Ba-wu had harbored a grudge against Dal-su. He also meets Kang Man-ho, who is somehow connected to Ba-wu, and Sohn Ji-hye, a former mistress of Dal-su's who now works in a bar. During the course of his investigation, Oh discovers a shocking secret: Han Dong-ju, the murder victim in the case that put Ba-wu behind bars, is still alive…
Ji-hye, the daughter of an army captain, receives a treasure map from her father just hours before he is killed by communist guerillas in the mountains near their home. While the communists are defeated, several escape the battle and begin a quest to track down the map and make its secrets their own.
