It is the final day of college within the US city of Silverton. All college students are gathered within the college yard for handing out diplomas. Silence is immediately disturbed as a result of proximity alarm saying a twister. Everybody flees to shelter in class buildings. Whereas twister begins to make a variety of harm, individuals passionate courting spectacular pictures as a lot as potential twister utilizing a specialised automobile. They’re accompanied by a scientist satisfied that they’re coping with probably the most harmful storms in historical past.