Astrolabe- Doctor Who

'It is said that once upon a small island , tucked away in a large sea. There, on this island , thrived a large society, almost unknown by the rest of the world and industries surrounding it. This society was extremely secretive, and not much was ever known about it. Until today.' The enigmatic 11th Doctor and the Ponds end up on a lovely island called Aspirdael where they meet another new mysterious addition to the Tardis. the girl trapped inside a glass box.