In October 1946, the situation changed suddenly. The Rebei Liberated Area, which had just been taken over from the Japanese and puppets, faced a massive attack by the Kuomintang reactionaries. The two armies of the Kuomintang and the Communist Party are facing each other in the land of Rebei, with swords and swords and artillery fire. There is also a secret contest between the enemy and ourselves. The secret battle is complicated, intense and full of fog...