Watch VoirFilms. In 1943, as the Anti-Japanese War nears its climax, the brutal Imperial Army launches a massive “sweep” across the Yimeng Mountains of Shandong. Outnumbered but unbroken, a regiment of the Eighth Route Army stands its ground. Amid fire and chaos, soldiers and villagers join forces in a desperate struggle for survival — and deliver a stunning counterblow that turns the tide of the invasion.