Alfred Dreyfus, a young Jewish officer, has just been convicted of treason and stripped of his rank in front of a crowd of 20,000. Among the witnesses to his humiliation is Georges Picquart, the recently promoted head of the counterespionage agency that “proved” Dreyfus had passed secrets to the Germans. However, it isn’t long before Picquart is compelled to question not only the case against Dreyfus but also his most deeply held beliefs about his country --- and himself.