Natal 71 is the name of a record given to the soldiers of the portuguese colonies overseas for Christmas 1971. Niassa's Songbook is the title of an audiotape illegally recorded by soldiers during the war years, in Mozambique. They are memories from a country which was shut from the rest of the world, poor and ignorant, laid to sleep by a stale and primitive propaganda which tried to hide all the conflicts from us and kept us from thinking and recognising the repressive nature of the regime we lived in.
André (Curado Ribeiro), is a son of a wealthy family who meets a girl called Luisinha (Milu). Luisinha lives at a small pension house with Rita (Maria Olguim) and Januário (João Silva), who are as parents to her, and with mr. Simplício Costa (António Silva), better known as Costa do Castelo, a lazy but highly talented guitar player who together with (Hermínia Silva) reaches success.
Gracinda, a young laundry washer, lives with her godfather, "Uncle" Jacinto, and together they run a family business, doing the laundry for residents of Lisbon in their small village in the outskirts of that city (Canecas). Unfortunately, the business is not going very well, but that changes when Gracinda decides to go to the city to try to convince Chico, "Uncle" Jacinto's son, with whom she is in love, to return to the village and give new life to the business. The village is preparing for the annual festivities and a dispute erupts between "Uncle" Jacinto and his business rival , the widow Quiteria, when each of them invites different bands to play at the same time during the party and dances
