Anna and Tobias had been planning a child for many years. And so, having become parents, they decided to move from rainy London to the south of France and raise the baby in ideal conditions. But the young family finds themselves in a dilapidated, rodent-infested house, and troubles follow one after another. Anna intends to return her life to normal, or at least drive out the mice that have settled there from the kitchen. But the more she tries to change the situation, the more it gets out of control...