The Four Swans is the sixth novel in Winston Grahams sweeping series of Cornwall, Poldark.Although Ross Poldark - now something of a war hero - seems secure in his hard-won prosperity, a new dilemma faces him in the sudden infatuation of a young naval officer for his wife Demelza.All four women - the four swans - whose lives touch Rosss, face a crisis in these years. For his wife Demelza, his old love Elizabeth, his friends new wife Caroline and for the unhappy Morwenna Chynoweth these are times of stress and conflict.