After the incomprehensible death of her only son Jorge, Carmen discovers that the relationship of deep friendship that they had developed after abandoning his father kept secrets. No one answers the mystery behind what could have been a suicide, but they draw a contradictory portrait that forces her to face her own blurred reflection.

During the Mexican-American War, a group of students from the Colegio Militar suffer the invasion, hunted by the enemy, and are persecuted in the place they consider their home, with those they consider their brothers under threat.