As the new day dawns in the small American town of Minninnewah, inhabitants go about their business as usual. Mother Nature, on the other hand, has other ideas for them. Residents have only 13 minutes to seek shelter before the town is ravaged by the worst tornado on record, leaving them frantically trying to protect their loved ones and battling for their lives. Four families are left to deal with the aftermath, and they must transcend their differences and find strength in one another to live.