During six decades of activity by the Croatian Association of Technical Culture (founded in 1946 as the Croatian National Polytechnics Association), millions of citizens have participated in technical activities through its many organizations. The film showcases the most significant activities of 15 national associations for technical culture across various Croatian cities, both large and small. In addition to archival footage, the film also features excerpts from People for Tomorrow by Mihovil Pansini and 40 Years of the National polytechnics Association by Vladimir Petek.