The film follows the adventures of several couples in Spain in the early 70s, whose stories intermingle: Luis is an unfaithful husband to his wife Juana, Felipe is a plumber who seeks extra-spousal adventures to hidden from his wife, Rosario, who works as an assistant. Ramón is a pathological jealous whose obsession is that his girlfriend Charity confess the hypothetical adventures he had with other men before meeting him, Irene is a jealous wife of her husband, Carlos, whose professional life gives him numerous opportunities for infidelity, Domin he is a pimp who frequents the brothels of Madrid .
Lorenzo is a young man who has just returned to Salamanca (Spain) from England, where he fell in love with Berta, a girl daughter of exiled parents who have never seen Spain. Lorenzo tries through some beautiful letters that she understands how is the world where her parents once lived.
The film is divided into three parts: 'Restlessness', 'Violence' and 'Death', to explain the motivations, evolution and defeat of three young misfits from Barcelona who end up being robbers. The way of crime is an easy way for them: a boy and a worker without a job or benefit are induced by 'el Señorito', the son of a rich lawyer. Together they form a band. Hard and violent, the film is made with a clear intention of social criticism and research of realism, culminating in a final scene that raised quite controversial.
Antonio and Elisa, a newlywed couple, go on honeymoon to a seaside hotel, where he, a crime reporter obsessed with uncovering a major crime, finds his big opportunity.