An airborne lab virus has broken loose and is spreading rapidly. In order to keep the people safe, military forces are bringing groups of citizens into a safebase. The only way to get infected is a direct transfer of DNA or the infected air entering the bloodstream (A wound). Your husband and daughter were lining up and being checked for any wounds or possible infectants. When your husband is examined, it is discovered he has a large slash on his torso, meaning he could possibly be infected.