"How can you know someone until you learn to talk about the past? Letty and Alf are the only English speakers in an Italian class in Rome, where they discover that the language that really connects them is dance. Alf is nineteen, a former ballroom champion who seems reassuringly confident and at ease with himself. Letty, twenty-two, is unusually reserved and studious, having been forced to give up her childhood dream of becoming a ballet dancer. They...