A deadly patchwork of destructive cyclones is on an apocalyptic path of convergence at a populated Midwest city center. There, the twisters will merge into one mega tornado that threatens to obliterate the cities for hundreds of miles around.

Charlie Price, a former scientist turned science fiction author, starts living one of his novels when the Federal Science Foundation’s weather experiments escape control and turn disastrous.

As storm season intensifies, the paths of former storm chaser Kate Carter and reckless social-media superstar Tyler Owens collide when terrifying phenomena never seen before are unleashed. The pair and their competing teams find themselves squarely in the paths of multiple storm systems converging over central Oklahoma in the fight of their lives.