What the eyes can't see, doesn't hurt the husband

Photographer Melanie leads a happy life alongside her husband Jaroslav, but after years of living together, it is a bit mundane. Until one day Jard, a renowned expert in the development of new pharmaceuticals, is offered a prestigious visiting professorship at the University of Bordeaux. The place includes a beautiful house for use near the beach in a village not far from town, but Melanie has nothing to do there but take care of the house and mow the lawn. And to attend boring parties hosted by the even more boring wives of Jaroslav's new colleagues. Before she left for France with her husband, she worked in Prague for a prestigious cultural magazine, so she is not the best housewife.
Everything changes when Melanie meets Céline, a hairdresser. But there's a slight catch...