On May 5th, 1862, a few thousand Mexican soldiers put their lives on the line against the world's largest and most powerful army in one legendary battle for freedom and for Mexico. This film chronicles the story of Mexico's Battle of Puebla, the most important battle in Mexico's history. When the unbeatable French army invades Mexico to set up a monarchy, General Ignacio Zaragoza must defend the city of Puebla, commanding a poorly armed and outnumbered troop of men.