A French public servant from Provence is banished to the far North. Strongly prejudiced against this cold and inhospitable place, he leaves his family behind to relocate temporarily there, with the firm intent to quickly come back.
To celebrate his wedding anniversary, Jean-Pierre buy her partner an English bulldog of 4 months "Trésor". Nathalie is delighted and engaged in a deep and loving relationship with the pet. But having a pet at home brings difficulties.