Miami International Airport is a Category X airport, which means it's at the highest risk for terrorist attack. So, when an incoming flight squawks a hijack code to the tower, it triggers a full-blown SWAT response. The crisis creates a domino effect for both passengers and airport workers, which ripples into the next day when 600 passengers from 2 flights attempt to check-in simultaneously. Heidi and Darius arrive on the scene only to face a mob of angry passengers.