1976, the height of summer. A heat wave. Everybody is sweating. The wasps are even more aggressive than usual. In the midst of it all a German family who are spending the dog days in their communal garden – just as they always do.Yet the passing of their overbearing matriarch Sophie reveals fine cracks in the family's relationships while subtly changing how they interact. While the adults argue about the sale of the property, the children are free to roam the garden and the neighbourhood. Suddenly the news of the disappearance of a little girl disrupts the placid summer idyll…