Only a teenager when Delphine was born, Lucile raised two daughters largely alone. She was a former child model from a Bohemian family, younger and more glamorous than the other mothers: always in lipstick, wayward and wonderful. But as Delphine grew up, Lucile's occasional sadness gave way to overwhelming despair and delusion. She became convinced she was telepathic and in control of the Paris metro system; she gave away all her money; she was...