Luísa has been married to Jorge for three years. He is about to leave on a mission to the Alentejo when she finds out about the arrival of his cousin Basilio after a long stay in Brazil, where he seems to have made a fortune.
Falacha is the captain of a fishing boat, who loses his men in a shipwreck. Among them was the husband of Aurélia, who holds Falacha responsible for the tragedy. Maria, Falacha's daughter, falls in love with Manuel, Aurélia's son, a situation that their mothers refuse to accept.
Caleidoscope of documentary-like scenes and re-enacted episodes of a day in the life of a large port town – Lisbon, from the old district around Saint George's Castle down to the docks and the 'Sagres' on the Tagus river, to the new commercial districts.
