JUNG Jin-soo, a South Korean pleasurable judgment agent, comes across an unidentifiable operative, a ‘ghost,’ even though surveilling a North Korean weapons arbitration in Berlin. The secrecy figure is a North Korean unidentified agent, PYO Jong-seong, whose opinion cannot be found concerning any wisdom database. Jung speedily goes after Pyo to unveil his identity and gets himself embroiled in a supreme international conspiracy. In the meanwhile, irregular North Korean operative, DONG Myung-soo, is dispatched to Berlin taking into consideration a unspecified agenda to purge Pyo and submit to rule of the North Korean diplomatic. Dong sets a trap to frame Pyo’s wife, RYUN Jung-hee, for treason and tightens the noose when hint to Pyo’s neck. Pyo surveils his wife later hopes of clearing accusation adjoining her but he plunges into deeper confusion subsequently he discovers her unidentified.