Thirteen-year-old Gregoire remembers well how his first teacher said about him: "The head is like a sieve, golden hands and a huge heart ..." This is how he lives day after day: he adores his grandfather, does crafts and hates school, where his parents drive him every morning Once, having learned that there is a lyceum in the world, where boys make something all the time, he, closing in his room, writes a funny and touching letter with a request to allow him to study there, puts in an envelope drawings of his first invention - typewriters for peeling bananas - and ... anxiously waiting. Maybe, in fact, grades are not the most important thing and it is much more important to know what you want from life?