El último túnel

Engineer Manuel Iglesias is commissioned to supervise the expansion of the Chihuahua-Pacific railroad; To do this, she wants her adopted son Julián to collaborate, but he is reluctant. In the mountains, Julián seduces the young Andarica, daughter of Governor Tarahumara. She becomes pregnant and he does not want to marry although his father promises the governor that his son will comply. (FILMAFFINITY)