Summer holidays. Country house. Unbearable heat. Ksyusha looks after her younger sister, who loves the local pond and is ready to spend all day here building houses for frogs. Ksyusha herself would happily lie on the sofa at home with a player in her ears, or even better, go to a party at Margot’s, where Anton will be, but how can she leave her sister alone by the water? Or is it still possible for a minute?..