Every key telegram from the headquarters is in Shen Zhao's handwriting - but she has been dismissed and exiled. Imperial Major General Lu Yan discovered during the bloody battle that the strategic misdirection sent by the 'traitors' was leading the enemy into despair. Su Ji, the supervisor of the Military Intelligence Department, secretly assisted, the enemy spy Chu Ying quietly switched sides, and the black hand of the logistics chief Wei Heng was reaching into the deepest darkness. When Shen Zhao's handwriting becomes the only coordinate in the chess game of life and death, Lu Yan must risk everything between military orders and the truth.