In one village, there lives a girl named Žofinka, who loves playing the clarinet, which makes her father a little angry, as he would rather see her working at home at the cottage. And in that country, in the royal castle, lives Prince Vendelín, who also loves playing the clarinet, and plays all day long, until the queen mother gets a headache. And as expected, these two find each other in a fairy tale and fall in love. And how does it happen that they finally unite their destinies despite the adversity of their surroundings? Two magical creatures help them in this – Strawberry and Blackberry.