A small indiscretion. Is there really such a thing?
From the synopsis: “At nineteen, Annie Black trades a bleak future in a washed-out California town for a London winter of drinking and abandon. Twenty years later, she is a San Francisco lighting designer and happily married mother of three who has put her reckless youth behind her. Then a photo from that distant winter in Europe arrives inexplicably in her mailbox, and an old obsession is awakened.