When the most important friend in her life seems to disappear without trace, Elena Greco, an elderly woman living in a house crammed with books, switches on her PC and starts writing her own story, and that of Lila. She tells the tale of their friendship, which started at school in the 1950s. Set in a dangerous but fascinating Naples, it is just the start of a story spanning sixty years of life. A tale that attempts to unveil the mystery of Lila, Elena's brilliant friend. Her best friend, and her worst enemy.