The Second Sino-Japanese War was the greatest patriotic war in the history of the Chinese nation. It was a just war waged by the Chinese people against Japanese imperialism, an important part of the world's anti-fascist war, and the first complete victory of the Chinese people in the modern era against foreign aggression. As the saying goes, "the rise and fall of a nation concerns every individual." During the War of Resistance Against Japan, countless heroic sons and daughters emerged, sacrificing themselves to defend their homeland. This film aims to showcase the brave deeds of Li Hongmei, a member of the Anti-Japanese Allied Forces, who remained resolute and steadfast in her commitment to fighting the Japanese, even when confronted with her biological father, who was a traitor. Li Hongmei's act of killing her own father does not make her a heartless and unfilial person, but rather reflects her understanding of what is right and wrong and her determination to resist aggression, oppression, defend national independence, and safeguard world peace, embodying the spirit and determination of Li Hongmei and other Anti-Japanese Allied Forces in their fight against invasion and oppression....