The adventures of The Doctor, a time-traveling humanoid alien known as a Time Lord. He explores the universe in his TARDIS, a sentient time-traveling spaceship. Its exterior appears as a blue British police box, which was a common sight in Britain in 1963 when the series first aired. Along with a succession of companions, The Doctor faces a variety of foes while working to save civilizations, help ordinary people, and right many wrongs.
Nina is totally heartbroken at the death of her boyfriend Jamie, but is even more unprepared for his return as a ghost. At first it's almost as good as it used to be – hey, even the rats that infested her house have disappeared. But Jamie starts bringing ghostly friends home and behaving more and more oddly.
A biography of the English mathematician Alan Turing, who was one of the inventors of the digital computer and one of the key figures in the breaking of the Enigma code, used by the Germans to send secret orders to their U-boats in World War II. Turing was also a homosexual in Britain at a time when this was illegal, besides being a security risk.
