An ex-SAS officer and an ex member of the Special Boat Services, team up to search for £ 2 million worth of diamonds which go missing when an aircraft is hijacked. Ruthless terrorists seize a London embassy residence. The SAS are called in. There's intense political pressure for a quick resolution. The worst fears of David Barber, the officer in command, are tragically realised. With a brilliant career in ruins, the prospects for ex-Major Barber seem grim until he meets Colonel Patrick Ansell, Managing director of Saracen systems Ltd.
The Doctor discovers his old enemy the Master is intent on preventing Earth's industrial revolution in 19th century England. But the Rani, a second rogue Time Lord, has plans of her own...
