While the TARDIS travels through the vortex, Amy Pond's dreams are invaded by an alien race, the Never-were, who show her their homeworld, which is advanced and peaceful. However, the aliens also show her the world in ruins, a world laid waste by a race of insects. They plead with Amy to help them. Amy recovers and defies the ghosts in her head. They disappear, swearing to take revenge on Amy and her friends for denying their existence...