Its 1852 in Cholula, Mexico, and three sisters, indigenous girls of the Chontal people, seek work at the Hacienda La Perla. They rapidly make their way from dish washers to the cooks assistants before entering the house as servants to the wealthy Acu?a family. But when the youngest sister is viciously raped by a family member, they flee the estate, after taking their revenge, only to be caught up in the historic Battle of Puebla, where native Mexicans...