1970 something. As the end of an era of repression approaches, a bourgeois family still in its bubble of power spends its vacation in a country house. The teenage cousins spend their days in indolence, interrupted by fits of hysteria. It will only take the introduction of an outside element for violence to erupt.

Threatened by a fascist plot, the Portuguese government recruits several "special people" to stop the coup.

Two friends promise that they will never grow up and that if they do, one day, they will end their own lives. Between the day of the promise and the day adulthood arrives, anxieties and fears, hopes and dreams make it difficult to reach the age of thirty. Reaching the milestone, after all, is as good as it is scary. Perhaps running away to Paris is the solution, but, as the conclusion goes, "we are all heroes at midnight, but cowards at nine in the morning." Does growing up mean compromising? Or do we remain just a little lost children playing this game of wanting to appear very adult?

July 1956. Álvaro Cunhal arrives at Peniche Fort and is placed in the most modern and secure prison wing, considered escape-proof. Despite the tight control exercised over the prisoners, Álvaro and his comrades manage to organize a small commune and provide support to the most vulnerable detainees, while looking for a way to escape.