South Korean NIS agent Jung Jin-Soo (Han Suk-Kyu) and his team stake out the Grand Westin Hotel in Berlin, Germany. They watch as an illegal weapons deal is about to take place between a Middle Eastern buyer, an unidentified North Korean seller and a Russian broker. At the moment the transaction is about to be consummated, the South Korean NIS team set out to raid the hotel room. Before they are able to enter the hotel room, something unexpected occurs and the North Korean man is able to flee up to the hotel rooftop. NIS agent Jung Jin-Soo and the North Korean man have a physical struggle on the rooftop, with the North Korean man able to escape. They will cross paths again.