Preso en tren
In Spain of the 1960s, a poor family of quinquis - a nomadic ethnic group with a tradition as old as that of the gypsises of Spain but with even more obscure origins - have a nomadic life marked by poverty. The son, Eleuterio Sánchez Rodriguez, nicknamed "El Lute", steals some chickens and is condemned to six months in jail. El Lute moves to the slum outskirts of Madrid with his common law wife, Chelo, starting an itinerant life as a peddler of pots and pans and living in a quinqui shantytown. He gradually embarks upon as life of petty criminality, eventually participating in the theft of a jewelry store during which a bystander is killed.
Returning from Switzerland, a young investigator meets María, his father's new wife. They immediately feel an irresistible attraction, which he tries to overcome by mixing it up with another woman.
