When twelve-year-old Maddie hatches a scheme for a secret sleepover with her two best friends, she ends up waking up to a nightmare. She's alone - left behind in a town that has been mysteriously evacuated and abandoned. With no one to rely on, no power, and no working phone lines or internet access, Maddie slowly learns to survive on her own. Her only companions are a Rottweiler named George and all the books she can read. As months pass, she escapes natural disasters, looters, and wild animals. But Maddie's most formidable enemy is the crushing loneliness she faces every day. Can Maddie's stubborn will to survive carry her through the most frightening experience of her life?