Jacob Cheung’s war epic stars Andy Lau as a Mohist tactician who turns an outmatched city into a fortress during China’s Warring States era. Blending large-scale siege warfare with strategy-driven drama, the film spotlights Mohist philosophy, battlefield engineering, and rigid command ethics. A pan-Asian co-production, it delivers pre-1900 war spectacle, political stakes, and tense city-defense set pieces for fans of historical war films and Asian cinema

Från IMDB:
Story centers on a battle during China's Warring States Period, a series of civil wars, which spanned from the 5th to the 3rd century B.C. Based on a popular Japanese manga, which was in turn based a Japanese novel inspired by Warring States history in China.