The earth of 2150 A.D. is a desolate and hostile ruin of a planet, crumbling at the edge of civilisation, slowly disappearing into the darkness of space. For the future of planet earth now belongs to The Daleks, a destructive army of alien invaders who have turned the human race into cowering slaves. Meanwhile deep within the London Underground a group of resistance freedom fighters are planning an attack. But there's only one man who could possibly help them succeed in destroying their extraterrestrial enemies and take back control of planet earth. A man of mystery, a man of time and space, a man known only as... The Doctor.