A Yellowstone National Park scientist and a thrill-seeking ranger join forces to plug-up a volatile super volcano that threatens to wipe out the entire United States.

During the holiday season, Ethan, a meteorologist, and his wife Addison, a TV news reporter, must put aside their differences and band together to help save others and rescue their missing ...

A group of troopers take refuge in an abandoned outpost after fighting alien bugs, failing to realize that more danger lays in wait.