In Alabama: A deadly outbreak of tornadoes sends K9 handlers, Ryder Creed and Jason Seaver with their scent dogs, Grace and Scout to search for survivors. As storms intensify and Ryder and Jason race against time to save victims, they end up racing to save themselves.
In Chicago: Francine “Frankie” Russo is irritated when her young co-worker calls at 5:00 am for a video-chat and catches her in only a towel. She’s so annoyed with Tyler Gates that she’s barely paying attention when two men confront him on the street. In a matter of seconds, Frankie witnesses Tyler’s murder. Then the killers pick up the phone. And suddenly, they know what Frankie looks like, who she is, where she works and lives. She knows absolutely nothing about them. But one thing’s for certain—they’re coming for her next.