The Doctor, Jamie and Zoe arrive on an unnamed planet. At first believing themselves in the midst of World War I, they realise it to be one of many War Zones overseen by the War Lords, who have kidnapped large numbers of human soldiers to form the greatest army the universe has ever seen. At the helm of this plot is the War Chief, another renegade Time Lord like the Doctor. The creeping realisation sets in that the Doctor cannot solve this problem alone, and that his days of wandering may be at an end...
Rudolph Malcolm Walker CBE (born 28 September 1939) is a Trinidadian-British actor, best known for his sitcom roles as Bill Reynolds in Love Thy Neighbour (1972–76), Constable Frank Gladstone in The Thin Blue Line (1995–96) and since 2001 as Patrick Trueman in the BBC soap opera EastEnders. In 2009, the Rudolph Walker Foundation was established to provide inspirational role models and positive activities that empower young people to overcome the obstacles and build positive futures.