An observational story about how a particular person can dramatically change the lives of a typical teenager – and how such an adult can also change under the influence of his pupils. This is a film about transformation, discovering passion, and forever having a positive impact on a child's approach to learning and life... All the protagonists have been observed for three years through the ages 12-15, at the most important moment in their development. And in so many ways their development has been atypical. During their very first lesson they heard that they should throw away their textbooks. Then it got even stranger, with 12-year-olds from a small Polish town attempting to build satellite sail test models, inspired by a group of professional engineers...