Secrets in Stones

A group of archaeologists, tourists and journalists gather in the Vallée des Prêtres in the Franco-Italian Alps. The renowned Sir Hilary Compton is there to authenticate Bronze Age rock drawings recently discovered by his young protégé, Oliver Hardcastle. Private investigator, Ulysses Donaghue, on a walking tour of the Alps, is called upon to investigate Hardcastle's untimely death.