For comfortable, long-married Hilda and Rupert, he is a mystery. For Morgan, Hilda's tormented sister, he is an obsession. For Morgan's abandoned husband, Tallis, he is the source of ruin. For Simon and Axel, deeply in love, he stirs up jealousy and unease. What is Julius thinking about? He's thinking about Hilda, Rupert, Morgan, Tallis, Simon and Axel, and they will not all survive his malevolent attention.