Peter Davison

The TARDIS arrives at Heathrow Airport at a moment of crisis: a Concorde aeroplane has inexplicably vanished while in flight. The Doctor, Tegan and Nyssa join the crew of a second Concorde that sets out to simulate the fateful journey of the missing supersonic jet...but an old enemy in disguise is lurking at their destination. Seeing is believing, they say - but the Doctor and his friends realise that it just isn't that simple...