Psychological accuracy and truth: a brilliant novel of the invisible bonds that draw people together.

Titouan never leaves his room.
Alix dreams of the theater.
Luce has been inconsolable since her husband died.
Gabrielle loves her freedom too much to get close to anyone.
Armand has built his whole life around his daughter.
Five characters, separated by their individual ways of being lonely. When an unknown number shows up on their phones, their fates become intertwined.