![Image Mask of the Ninja](http://image.tmdb.org/t/p/w500/bCBlWqGAW8rUuBm7v4Czt7nFTVr.jpg)
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.