Separated from his companions, the Doctor attempts to find solace in the history of his favourite planet – Earth – but instead discovers new threats lying in wait.Travelling from twentieth-century East Berlin to sixteenth-century Strasbourg, the Doctor encounters creatures from other realities: monsters beneath the waves, and human beings determined to exploit their fellow man.But how long can he survive without a friend?Ghost Station by Steve Lyons Deep beneath the streets of East Berlin, Peter Meier patrols the border in an old underground station. But when the TARDIS materialises nearby, Peter realises he is far from alone.The Bridge Master by Jacqueline RaynerWhen the Doctor’s shadow is sacrificed by villagers, he brushes it off as medieval superstition - until he begins to grow weak. Can he uncover the truth behind the bridge master’s curse before it’s too late?What Lurks Down Under by Tommy DonbavandOn the waves of the Indian Ocean, all the prisoners aboard the Lady Juliana have fallen into a trance... except a single girl. Mary Wade desperately needs a doctor - and only one will help her.The Dancing Plague by Kate Thorman Arriving in Strasbourg at the height of the Dancing Plague, the Doctor finds himself thrust into a world of paranoia. Can he bring peace to a city at odds with its own people?