Xavier, a pharmacist, lives peacefully in bigamy with his two women, Carmen and Beatriz, but the harmony breaks down when they find he has another lover, Monique, a nightclub dancer.

This is a semi documentary about a Belgian woman trying to deal with her confused ideals after the big industrial strikes in Wallony. To do so, she goes to Spain to try and find out if there is a future for anarchist ideals.

For three days at the Copacabana Palace in Rio de Janeiro, amorous cross-fertilizations are intertwined with petty tricks against the backdrop of the famous carnival festivities. Three (sympathetic) accomplices are beaten to a punch in the hotel vault; three charming stewardesses are looking for entertainment, but their three Carioca host, musicians Tom Jobim, Luiz Bonfá, and João Gilberto, are married; a man, separated from his wife, wants to catch her in the act of adultery.