Amadeus Macků, the village postman, is an incorrigible dreamer obsessed with the desire to fly. He invents and builds his own hovercrafts, making himself a thorn in the side of his hillbilly neighbours. The group of pub chatterers are particularly annoyed by the wooden runway that the stubborn postman builds for his next experiment. But the guileless weirdo catches the eye of the local doctor, who has an acquaintance with a slick doctor from the big city...