Cuando habla el corazón is a 1943 Mexican western drama film directed by Juan José Segura[1][3] and Roberto Gavaldón.
[4] Set in San Andres, Chihuahua, the film stars Pedro Infante,[5] María Luisa Zea, and Víctor Manuel Mendoza.
[6] Set in Chihuahua in 1905,[3] two young men are sent out hunting separately as tests of their manhood (prueba de cartrucho), each one given only one cartridge.
Later Miguel brings a deer back home and his father is very proud, however Cruz has nothing to show for his effort and greatly disappoints his godfather Don Rafael (Soto Rangel) who disowns him.
Ten years later Miguel travels to San Andres, Chihuahua and seduces a young woman named Anna María (Cora).
Later Marco forces Cleofas to write a letter to Cruz, telling him that he has the man he's looking for, the father of his child, and to meet him that night.
Cruz tells Miguel to leave and takes the blame for the murder, and convinces Don Rafael to put him under house arrest.