City lawyer Brad Walker is having the worst day of his life. His high-maintenance girlfriend Sasha has left him for his so-called friend Tom and to add insult to injury, he's been fired too. On a night out drowning his sorrows with old friend Dean, he overhears a conversation between Phil and Ben - two drug dealers working for small-time gangster Jack - that will change his life forever...

Moscow 1967. The Doctor and Ace have arrived behind the Iron Curtain, and the Soviet Union is seeking a new weapon that will give it mastery in the Cold War. What is the secret of the Martian relics? As the legendary War Lord Sezhyr returns to life, the Doctor is faced with some of his oldest and deadliest enemies. The fate of Earth – and the future of Ace – are now intertwined...

The year is 1989. In London, safe cracker Raine Creevy breaks into a house — and finds more than the family jewels. In the Middle East, the kingdom of Sayf Udeen is being terrorised by Soviet invaders and alien monsters. And on the Scottish border, a highly guarded facility contains an advanced alien weapon. These are all part of the Doctor's masterplan. But masterplans can go awry...