Traveling through the occupied areas during the Anti-Japanese War, Lu Yuan became a deserter who was falsely accused of collaborating with the enemy. Faced with the Japanese encirclement and suppression and the deadlock of internal traitors, he awakened the "eyes of loyalty and traitors" and the "modern ammunition depot". Staring for three seconds, the traitor can't hide; with a backhand draw, the submachine gun sweeps through thousands of troops.