In the middle of the pasture stands an old oak tree intertwined with a plane tree. Bětka, who grazes sheep, calls it the apple oak. It is her favorite place. It is as if her mother, whom both she and her father miss so much, is watching her from the tree's crown. And it is here that Bětka meets a young prince for whom military glory is the most important thing in the world. Although he likes the shepherdess, he sends her father to prison for his grumbling and aversion to senseless military conqu...