In a tragic incident near Marseille, two divers die – accident or murder? And how are their deaths connected to calissons, the world-renowned almond and fruit speciality of Aix en Provence? As a bitter feud erupts between two calisson producers, Sophie sets out to investigate – but soon gets out of her depth in a world that's not as sweet – nor as cozy – as it seems.

'You need one-third almonds, one-third fruit confits, one-third sugar – and a quarter savoir faire.' So said the Provençal writer Marcel Pagnol. Here you'll also find a dose of greed, a splash of revenge, and a pinch of thwarted love. Mix all that together and what do you get? A perfect calamity.