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.

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.

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.