Next Stop. Everywhere

After Trenzalore, the Doctor and his faithful companion Clara are stuck in London whilst he fixes the TARDIS. The day unfortunately goes unplanned when Clara is attacked savagely by a viscous creature, that, for once not even the Doctor can ward off. Blaming himself for her probable death, The Doctor goes into the TARDIS to find someone has left a message. Clara is not dead but to get her back he must give back something, something he stole. Will The Doctor save Clara, loosing something he has been with almost his whole life, or will he be led to believe that after saving the universe multiple times, there is one thing he should know. The universe doesn't care.