As Trent Zimmerman struggles to move past a traumatic event that took place several months earlier, he befriends class outcast Fallon Little, who helps him understand that he can move on.

Mathilda (Tilly), fourteen, and Ruth Anne (Roo), sixteen, are sisters and best friends in Connecticut, but when Roo crashes her car while texting she is confined to a hospital bed with "locked-in syndrome," aware of her surroundings, but apparently comatose--and Tilly must find a way to communicate with her sister, while dealing with her own sense of guilt.

After a terrible accident destroyed their bodies, Locke and Kara have been brought back to life, with questions about the world they find themselves in and horrible memories of being trapped in a digital netherworld.