Eight-year-old Mirabel wakes up after the end of the world to find herself alone, except for her old faithful Bear. Everyone else appears to be gone. And so, Mirabel and Bear set out on a journey across the new desert to find an adult to take care of everything. On the way, they'll acquire a ragged gang of fellow travellers, including a visionary red-eyed dog, and an injured pilot who insists he's not the grown-up they're looking for. A sad, strange...