In the spring of 1939, Xu Chengyan, an underground member of the Communist Party of China and a special agent of the Military Intelligence Station, was ordered to go to Taiyuan to eliminate traitors. After witnessing the brutality of the Japanese invaders, he decided to go deep into the enemy’s rear to fight against the Japanese invaders. Intelligence, in this northern land, continue to write the legend of the spy war! The official group 1 of the spy shadow of the northern country: 833528943 The official group 2 of the spy shadow of the northern country: 879936725