Undercover police officers track down a woman who has paid £500 to get her daughter into the country.
John Cull's plane is hijacked for an anti-terrorist exercise and the paramedics help an eight-year-old desperate to fly.

A chimpanzee awaiting a flight is entertained by animal officer Stuart in the penultimate episode. Meanwhile, Maria copes with hot, hungry and harassed passengers, and paramedic Jane faces a life-threatening emergency.

Maria has to deal with two passengers who have been stuck at Heathrow for over 24 hours, and flamboyant cabin steward Axel jets in from Iceland.

An emergency landing disrupts the nocturnal resurfacing of a runway, while a tearful bridesmaid and a missing minister keep staff busy as the fly-on-the-wall cameras continue to roll at London's Heathrow airport.

Undercover detectives pursue a case in which an air steward has allegedly obtained a dead person's passport and assumed a new identity.

John attempts to escort boyband, Blue, to their flight.