Cines short-film shot at the shipyards in Monfalcone and in the foundries of Sant'Andrea in Trieste, by theorist and director Umberto Barbaro. It depicts the intense work of the docks where two submarines gradually take shape.
Among the travelers of varied backgrounds that meet and interact on one night at Union Depot, a metropolitan train station, are Chick and his friend Scrap Iron, both newly released from prison after serving time for vagrancy.
A pretty young lawyer discovers that her father needs an expensive operation to save his life. She goes to a nearby city and takes out an ad offering to marry whoever will pay her $5000, the cost of the operation.