The staff feel the pressure as they have to process 900 plane movements around a noise curfew; duty manager George finds a suspicious package; rookie Mel deals with two medical emergencies less than an hour apart.

A bolt of lightning strikes an incoming international flight, and the passengers get impatient waiting for engineers to assess the damage; a plane arrives with a potentially dangerous liquid leaking from its cargo.

An emergency training exercise is stopped by a real emergency, when an explosion goes off inside a passenger terminal.

Torrential rain closes two runways as an incoming flight deals with an onboard medical emergency; a fire training drill turns into a real emergency.

Sydney Airport is on high alert for the arrival of the Prime Minister of Singapore, and Duty Manager Mel's favourite pop star; security searches for a woman reported to have collapsed on the street.

It's sniffer dog Warner's first day, and he has to deal with some nerves. Security test their screening team by trying to smuggle a fake bomb.