A TSA officer intercepts a firearm tucked inside a carry-on bag. Tensions rise as the passenger is questioned by the Miami-Dade Police Department, and they determine that he is neither a US citizen nor does he have a firearms permit. Meanwhile, the TSA intercepts a potential terrorist when an officer spots a knife deliberately hidden in the sole of a sneaker. A full-scale security response is issued to investigate in the premiere of this series, which documents the inner workings of Miami International Airport (MIA) and the people who keep it running.

A driver comes within inches of his life when his car flips over outside the terminal. The search begins to find out who the victim is and who is waiting for him at arrivals. Meanwhile, Customs and Border Protection's Anti-Terrorism and Contraband Enforcement Team hones in on a shipment of tractor parts originating in South America, and travelling through Miami.

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.

With a zero tolerance policy for theft, the Miami-Dade Police Department plans to run 2 sting operations to catch the thieves targeting MIA. Meanwhile, Dickie Davis must help 2 very angry passengers whose luggage has gone missing. When the police spot a baggage thief while running surveillance, a pursuit ensues.

Law enforcement and MIA staffers ratchet up security for Air Force One's arrival to MIA. No one is certain when the President will arrive, but when he does the airfield goes into a complete lockdown. Meanwhile, a swarm of bees infiltrates a gate, halting planes from moving into the area, including the soon-to-arrive Air Force One.

A massive fuel spill puts fire rescue and hazmat teams on high alert as they attempt to stop the highly explosive fuel from draining into tunnels underneath the airport. Meanwhile, US Customs and Border Protection keeps close watch for illegal contraband as flights arrive from Cuba.