` Whenever I find myself thinking in a brooding way, I must simply turn it off & think of something else. God forbid that I should become an eccentric.` Rachel Cameron is a shy, retiring schoolmistress, tethered to her overbearing invalid mother. Thirty-four & unmarried, she feels herself edging towards a lonely spinsterhood. But then she falls in love for the first time, & embarks upon an affair that will change her life in unforeseen ways.