In a terrifying future world, four girls must depend on each other if they want to survive.
Now that best friends Louisa, Rosie, Evelyn, and Maddie know the truth, or at least the danger they're in, the girls have run away from their "safe" country retreat. But life is riskier than ever, and Rosie still doesn't know who she can trust. Rosie's survival skills are top-notch. But how well can she keep her own secrets?
