Sue saves a passenger who is a musician from missing his concert. Elsewhere in the airport, there is a serious breach of security. Meanwhile, Ian goes in for a promotion.

Tonight we're back with the colourful characters of Heathrow Britain's Busiest Airport and it's as frenetic as ever.

The runway is closed. Heathrow's Starsky and Hutch cordon off a plane full of passengers, and Airside Ian turns detective.