Watch Carta a una mujer (1963) Official Trailer

Flora and Carlos have a marriage of convenience. Realizing that she did not love him, Carlos joined the Blue Division and soon disappeared in Russia. Flora lives with a famous conductor, but they have not married because the death of Carlos has not been formally communicated. But one day, a mysterious character who turns out to be an old enemy of his husband, sends Flora a message telling that her husband will return.