The War of Resistance against Japan entered a stalemate stage, and the Eighth Route Army in the North China Plain sent a large number of military work teams to the enemy-occupied areas to fight the most arduous and cruel protracted war with the enemies.
Eighth Route Army soldier Li Kunlun returned to his hometown of Zhou Village as a member of the military work team. Before the military work team arrived at Zhou Village, the captain was martyred in an encounter battle, and Li Kunlun took on the responsibility for ensuring the survival of the military work team. Under the training of the newly dispatched instructor Chen Shengli from the superior department, Li Kunlun soon grew into a military work team commander.