In the rich noble family of the Popelskis, the only son Petryk has been blind since birth. His mother, Anna Mikhailovna, endlessly loving and pitying the boy, raises him as a rare fragile flower. And only uncle Maxim, who fought under Garibaldi's banner in his youth, tries to teach the boy to be independent. The boy begins to learn the world by touch, and one day his fingers find the keys of the p...