The Light in the Piazza is a musical with a book by Craig Lucas and music and lyrics by Adam Guettel. Based on a novella by Elizabeth Spencer, the story is set in the 1950s and revolves around Margaret Johnson, a wealthy Southern woman and her developmentally stalled daughter, Clara, who spend a summer together in Italy. When Clara falls in love with a young Italian man, Margaret is forced to reconsider not only Clara's future, but her own deep seated hopes and regrets as well.