From the multi-million-copy bestselling author comes a riveting whodunit.Simone Beaumont is having a rough day. She is exhausted. Her baby is crying non-stop, she is in a fight with her husband and hasn't spoken to him since last night. A big part of her wants just to leave everything - to run away from it all - to vanish. She is considering it while putting her screaming baby in her car seat when suddenly she meets a man in the parking lot who, without asking her, makes her wish come true.Emma Frost has just come home from a trip to Eastern Europe when the body of Simone Beaumont is discovered. It turns out she was part of Sophia's mothers' group, and soon the small group is shaken by yet another disappearance.