Amy Pond has been kidnapped and the Doctor is raising an army to rescue her as the drama continues. But as he and Rory race across galaxies, calling in long-held debts and solemnly given promises, his enemies are laying a carefully concealed trap.

In her cell in Stormcage, River Song sadly acknowledges that the time has come at last – today will mark the Battle of Demons Run and the Doctor’s darkest hour. Both sides will make their sacrifices and River Song must finally reveal her most closely guarded secret to the Doctor.

Christmas Eve, 1892, and the falling snow is the stuff of fairy tales. When the fairytale becomes a nightmare and a chilling menace threatens Earth, an unorthodox young governess, Clara, calls on the Doctor for help. But the Doctor is in mourning, reclusive and determined not to engage in the problems of the universe. As old friends return, will the Doctor really abandon humankind, or will he fight to save the world and Christmas from the icy clutches of this mysterious menace?

Something ghastly is afoot in Victorian Yorkshire, as bodies are found with their skin a waxy, glowing red.

Someone is kidnapping the Doctor's friends, leading him towards the one place in all of time and space that he should never go.

When a dinosaur materialises alongside the Houses of Parliament in Victorian London, the Doctor's old friends, the Paternoster Gang, are relieved when he arrives, seemingly to deal with the creature. However, they soon realise that the Doctor is the one in need of help; newly regenerated, extremely volatile and questioning his self-worth, this is a very different man to the one they last saw. The only person that may be able to help him is Clara, and she is still grappling with losing the Doctor she knew and loved.