The iron-blooded instructor Lin Hao traveled through time and became a Japanese army colonel. Under his straight military uniform was a blood-stained revenge list. When the railway track of biological and chemical weapons leads to death, he must walk a tightrope between the temptation of aristocratic female officers and the betrayal of military spies - with his left hand forging intelligence to confuse the Japanese army, and with his right hand he will engrave the true coordinates on the bullet and hand it to the underground party. The most dangerous thing is never the muzzle of the gun, but the woman who always knocks on his office door late at night. Is the ancestral short knife she left behind to cut open his disguise or cut off his shackles?
