In the span of a single day, the town of Silverton is ravaged by an unprecedented onslaught of tornadoes. The entire town is at the mercy of the erratic and deadly cyclones, even as storm trackers predict the worst is yet to come. Most people seek shelter, while others run towards the vortex, testing how far a storm chaser will go for that once-in-a-lifetime shot.

Seeking shelter from a storm, a family finds itself trapped for days with no sign of rescue and untold evils lurking just beyond the walls.

Scientists pursue the most destructive weather front to sweep through mid-America's Tornado Alley in 50 years.