A dysfunctional family under suspicion of murder after three bodies mysteriously appear on their ranch are terrorised by what they can only describe as Bigfoot.

It's 1993 and North Carolina is experiencing a historic drought. Autistic teen Carl, fascinated by weather, predicts that a storm will soon hit nearby. His sister Sam crafts a plan to help him chase the storm, stealing their mother's ice-cream truck to embark on a road trip about family, forgiveness, and following your dreams.