It is the beginning of a journey that will take them to the newly built Space Dock Nerva... where a long overdue homecoming is expected.A homecoming that could bring about the end of the human race.CHRONOLOGY: This story takes place immediately after The Talons of Weng-Chiang.

    Following a trail of breadcrumbs through space and time they discover an unsavoury conspiracy, and an old enemy lurking in the shadows, waiting.1.1 Their Finest Hour by John DorneyIn the early days of the Second World War a strange and elusive craft attacks British targets. Could it be a German superweapon? Churchill calls for the Doctor’s assistance and with the help of a squadron of Polish fighter pilots the TARDIS crew take to the skies to investigate.1.2 How to Make a Killing in Time Travel by John DorneyA disturbance in the vortex causes the TARDIS to land on the Scapegrace space station, where Cornelius Morningstar experiments in time-travel for nefarious purposes. But the Doctor’s plan to stop him winds dangerously out of control as the different agendas of criminals, murderers and alien dynasties conspire against him.1.3 World of Damnation by Matt FittonRykerzon is a maximum-security planetoid designed to hold the most dangerous criminals in the star system. The Governor plans to reform its inmates, with the help of the Kandyman. But two prisoners prove particularly troublesome: the alien fugitives known as the Eleven, and Miss Helen Sinclair.The Doctor and Liv have finally tracked down their friend - but are they too late?1.4 Sweet Salvation by Matt FittonThe Eleven has the authorities in the palm of his hand and an entire world held to ransom when the Kandyman cooks up a deadly confection containing a secret ingredient. In a last-ditch attempt to prevent disaster Liv teams up with a desperate criminal, and the Doctor must decide whether Helen is still his friend.

    His name is Zarl, and he's a fish of utmost evil. Zarl is going to steal all the water of Earth and sell it to the highest bidder. Or blow up the San Andreas fault. Or the planet. Or something like that. He's a bit vague on that point. Fortunately, to stop him there’s help from an unexpected source: a future version of Peri. She knows Zarl's dark secret. But should the future Peri be on Earth at all? Something smells fishy – and it's not just Zarl.