Set successful Harbin nether the marionette Manchukuo government successful 1944, Song Zhuo Wen, Associate in Nursing belowground political party associate cloaked arsenic a railroad police force officer, is erroneously known past the caput of the undercover agent department, Guan Xue, arsenic her lifesaver—but is really Zhuo Wen’s long-lost duplicate brother, Song Zhuo Wu. To bring out the crowning missionary post of Kwantung Army military officer Asano Daigo successful Harbin, Zhuo Wen decides to usage Guan Xue to percolate the undercover agent department, merely the abrupt visual aspect of Zhuo Wu plunges him into unannounced trouble.
Guan Xue is cold and suspicious, barbarous and ruthless, piece Zhuo Wu is unprompted past nature, frequently accidentally sabotaging Zhuo Wen’s operations. Only done the arrangements of their superiors bash the brothers collaborate and defend all other, avoiding the open and backstair struggles among their colleagues successful the undercover agent section and yet gaining the property of Guan Xue and the Japanese officials.
Within this abbreviated year, the belowground political party members digest hardships to bring out and halt a concealed business activity conspired past the Japanese regular army and the Soviet Union, plant organ retired the marionette Manchukuo spies inside their party, and wanted the concluding triumph of the war.