A journalist investigates several crimes, one of which involves the well-known riddle of the "closed room".

A vagabond violinist, a shameless doctor, gunmen and an impossible affair.

A school teacher tries to support his school against unjust measures by the government and a rich woman helps him.

Albareda does not doubt to betray her lover running away after denouncing him.

A vagabond saves the child of a rich family. They adopt him and try to impose to him their values and protocols.

A student secretly goes back to school after getting married to one of her teachers.

A young woman pretends to be the daughter of a financier and enters a rich girls' college, where she commits a thousand mischiefs.

Ceferino is the train station chief o a remote town. A group of planters ask him to legit them the wagons to send the harvest to Buenos Aires, he agrees, but he gets fired.