Desc: Casta de roble: Directed by Manolo Alonso, Manuel Alonso. With Paco Alfonso, Xonia Benguría, Agustín Campos, Ángel Espasande. A young woman from the country has a son from a young man of a rich family. The rich grandfather of the man, owner of the farm, takes the child away to educate him. A few years later the young woman marries a poor farmer. She rejects the child she has with him and only understands she loves him when the rival brothers fight against each other in a duel.