After decades of marriage, Marie-Luce and Bernard, traditional Catholics with a once dazzling libido, face the erosion of their relationship. Marie-Luce is convinced that if their son Tristan leaves the nest, she could regain her husband's attention. But he, like a clinging vampire, seems unwilling to fly the coop.

An Australian woman is haunted by her mother's past love-life in Paris, and decides to visit the magical city.