A tense illegal arms deal in a Berlin hotel suddenly descends into mayhem after a "ghost" agent named Jong-seong appears on the scene. Secretly watching the deal go down is embattled South Korean intelligence chief Jin-soo, the North Koreans and the US CIA, who are all left trying to decode whether the ghost is a double-agent or taking the fall for a more insidious plot. Myung-soo a young but notorious North Korean agent jumps into these treacherous waters to investigate loyalties of all involved and begins to implicate Jong-seong's wife, Jung-hee, a translator at the North Korean embassy in the German capital. Caught between his love of country and his wife, Jong-Seong must quickly prepare to make the ultimate sacrifice in this thrilling tale of political intrigue.