Divine Comedy

Jane Chambre inherits the family gift of second sight; she can view 'remotely'. Her nephew has eloped with Rosalba d'Avaray, who is related to Madame de Montespan. Jane's interest in the 'Affaire des poisons' leads to a modern laboratory and a bottle of graphene oxide labelled 'GRAFFIEND' by hand, the hand of the dead man holding it. A second man at the laboratory has thrown himself off the Acropolis while on holiday...