'Know thyself' is a Greek proverb. But what does it mean? Something is missing. But she can't think what it is. Mysterious art dealer, the Countess Rivers, is jailed in Australia for the traumatic murder she cannot remember. In Ruby's adopted artworld high society life in London, acting the part and role-playing replaced authenticity. Ruby, amnesiac, kept up appearances. Then she and her husband Sir Hugo Rivers go to Australia to collect art. She returns to encounter a life forgotten. A triangular love affair, Margarita and Raymond, troubled artist; a disappeared friend, lover, daughter....