Lisbon, 1938. Mr. Pereira is the editor of the culture section of an evening paper. Although fascism is on the rise in Europe, like in nearby civil war Spain or even inside Portugal itself in the form of Salazar's regime, Pereira only concerns himself with writing bios and translating French novels. Things change after he hires a young writer as his assistant, getting to know also his girlfriend – both opponents to the regime – and reluctantly helps them when they begin to get in trouble for subversive activities. Eventually, he's forced to take a stand...

The contrast in the extremely rudimentary form of xelite mining and the use of tungsten, obtained from xelite, in the most complex instruments of nuclear technology.