Watch VoirFilms. María Estela Martínez, better known as Isabel Perón, achieved what Evita Perón never could: From an unknown cabaret dancer she became the first female president of the Americas. But after surviving prison and exile under South America’s most brutal military dictatorship, Isabel was forgotten in popular memory. “Una casa sin cortinas” (A House Without Curtains) uncovers why Isabel still haunts Argentina today.