'He was haunted by a feeling of invisibility, as if he were a mere spectator of his own life, with no one to identify him in the barren circumstances of the here and now'. Paul Sturgis is retired and lives alone in South Kensington. He walks alone and dines alone, taking pleasure in small exchanges with strangers. His only acquaintance is a widowed cousin whom he visits on Sundays. Unable to make sense of his solitary nature, and fearing death among strangers, he wonders whether at last he might be ready for companionship. But a chance meeting with an old girlfriend and an encounter in Venice with a recently divorced younger woman compel Sturgis to decide how (and with whom) he will spend the rest of his days...