Olivia Donatelli's dream of a "normal" life shattered when her son, Anthony, was diagnosed with autism at age three. Understanding the world from his perspective felt bewildering. And just as Olivia began to realize that happiness and autism could coexist, Anthony died. Now Olivia is alone in a cottage on Nantucket, separated from her husband, desperate to understand the meaning of her son's short life, when a chance encounter with another woman facing her own loss brings Anthony alive again for Olivia in a most unexpected way.