Yu Xintian

It tells the story of a group of passionate young people in the 1940s who gave up their writing and joined the army when the country was in danger, and the nation was in danger. They joined the battlefield without hesitation. They carried out the struggle against the enemy with courage and tact, went through ups and downs, and devoted their youthful lives to peaceful liberation.

European mercenaries searching for black powder become embroiled in the defense of the Great Wall of China against a horde of monstrous creatures.