Devoted wife and mother Linda Campion is found dead in her hall, sprawled on the marble floor, clutching a Catholic medallion of Saint Therese. An accidental tumble over the banisters? A suicidal plummet? Or is there an even more sinister explanation? As the police investigation begins to unearth family secrets, it becomes clear that all was not well in the household: Linda's husband Edmund - not long home from the war - has disappeared; and one of their guests has recently killed himself...