Travelling with his beloved companion, Rose Tyler, the Doctor discovers a cache of weapons left behind after the Time War that destroyed his people.
To his horror he finds they are being bought and sold on the black market! Worse, a new and mysterious force are policing time, making use of the power vacuum left by the Time Lords' disappearance to shape history to their own ends!
Travelling with his beloved companion, Rose Tyler, the Doctor discovers a cache of weapons left behind after the Time War that destroyed his people