![](https://image.tmdb.org/t/p/original/5oCAo7LFj2x0yByfi5JYirGnK8I.jpg)
![](https://image.tmdb.org/t/p/w200/fZ0Y2qSDKQJolrQhIDpTwx3GlYB.jpg)
Don't breathe. Don't look back.
An unprecedented series of violent tornadoes is sweeping across Oklahoma. Tornado chasers, headed by Dr. Jo Harding, attempt to release a groundbreaking device that will allow them to track them and create a more advanced warning system. They are joined by Jo's soon to be ex-husband Bill, a former tornado chaser himself, and his girlfriend Melissa.