Lin Dong, a modern special forces sniper, encountered an accident while performing a mission and traveled to the Songhu battlefield in August 1937 with the "Arsenal System". At this time, the Battle of Songhu had broken out. The Japanese army relied on its sea and air superiority to attack Shanghai. The national defense line was in danger. He happened to fall into the ruins behind the Japanese encirclement, and his identity was a broken up Eighth Route Army scout.
