A group of travelers are forced to seek shelter inside an abandoned jail where a notorious nun named Sister Monday had once been assigned and was suspected of murdering prisoners.

Retired Navy S.E.A.L. Christopher ‘Soup’ Campbell is a tactical specialist for a private security firm at a counter terrorism training facility hidden in the Blue Ridge Mountains. The military and intelligence community call him ‘Soup’, not only because of the familiarity of his last name, but his ability to combine and assess a variety of threats into a strategic tactical response. A specific skill that came useful on many of his combat tours into Iraq and Afghanistan.