On his way to retrieve Amy and Rory from their honeymoon, the Doctor is surprised to find the TARDIS crowded with his Second, Fourth and Tenth incarnations. Alarmed by the implications, he becomes positively shaken when Romana and the Master next appear, bearing a message from the White Guardian; 'Equilibrium has fallen and the universe dies. The Doctor must seek the eyes which see no more, that a new eye might be opened.'