90多岁的老夫妻安东尼奥和贝莎所在的国家发生了严重的社会和经济危机，导致老夫妻的养老金停发、生活陷入困境。无奈，两个儿子已消失多年，为了生存，老夫妻只能变卖家当，依靠当街售卖玉米粉蒸肉来维持生计。出乎意料的是，陷入困境的生活突然发生了转变：儿子，带着孙子回来了。儿子Jonas（JoséSefami饰）和孙子Paco（FranciscoBarreiro饰）的出现让二老的精神生活突然起了变化，而这些是否能带给他们一些温暖呢？

　　Luis, 18, sees only one way to be able to provide for himself and his mother: training at Mexico’s national military academy. The rigid system of violence that is designed to turn him into the perfect soldier pushes him to his limits.