A freezing storm is raging outside. Inside lurks a cold-blooded killer. And everywhere there is the threat of a terrible infection...
Three ordinary people face a terrible reality and risk everything to survive. Hannah wakes up in a crashed bus trapped by a blizzard, surrounded by the dead and wounded. Meg sits in a cable car stuck above the snowy woods, unaware of how she got there. Carter stares out the window of a cut-off mountain cabin whose generator begins to fail in the storm. If this happens, there is a risk that something hidden inside will leak out. Something deadly...
