Journalist Helena Folasado, of course, should have said “no” when a stranger in a café asked whether she was waiting for Monsieur Belliveau. But creative stagnation and her natural adventurous streak made her say “yes.” That’s how she landed a well-paid and rather strange job that gives the feeling of being involved in a mystery.
Mansabo, a Tunisian who owns a small shop in the Montmartre area, leads a measured life. But one day a neighbor from the house opposite approaches him and offers him to tail her unfaithful husband. To her surprise, Mansabo agrees. Helena and Mansabo have never met before, yet their missions will intersect in the most astonishing way. And once it happens, it becomes clear that the café and the streets of Paris hold far more secrets than anyone could have guessed…