World Wars can break out for futile causes. But, in the holiday town of Durbuy (the smallest one in Belgium), there IS a good reason for civil war, namely the business rivalry between Simone, the energetic and successful owner of the Esplanade Hotel and Germaine Radoux, the envious tenant of the French fries stand across the square. Such an unbearable situation naturally pits half of the population against the other. Things do not improve when Simone's son and Germaine's daughter take it into their head to fall in love!