A fairy tale about a girl, Henrietta, who has been wearing a man's dress since childhood and introduces herself as "Henry." One day she learns that a dragon has settled in their country. The girl decides to take a desperate step: she goes to the dragon in the hope of convincing him to leave the gorge. A friendship develops between them. Together they come up with a cunning plan, after which the dragon leaves the country, and the king, in gratitude for this, appoints Henry as one of his advisers. Henrietta misses her family, and sometimes her old simple life, but is glad to have the opportunity to do something really important, improve the lives of ordinary people.