Keys. As the dictionary states, a key is a small metal instrument moulded specifically to fit into a lock and open its bolt. Something you use to free a locked house. Something you use to release the car door. Something you use to unfasten a diary. But for Nora Blackwood, her key is something else. It doesn’t open a door. It doesn’t start up a car. It just sits there, holding secrets and lies within its curved copper. But what happens when those secrets begin to unlock? What happens when Nora is swept up for the ride, in something she oughtn’t? Miss Blackwood’s life is about to get much more dangerous than before…

It's 2515 AD. The Earth has been overcome by disease, pollution and destruction. The human race is packing up their lives and transferring them to gigantic spaceships, set to leaving their home planet and searching for new ones among the stars. One of the very last ships is leaving Earth, and taking with it the whole of seventeen-year-old Alyvia's family. So then why is she left behind? Earth is starting to turn into the colour of Mars. The beautiful land has turned into ugly, plain rock. The crystal seas have transformed into sludge. And the clear, fresh air has been polluted to extinction, making it no longer breathable. Conditions are getting worse. The once loved planet is nearly uninhabitable. So how on Earth will Alyvia survive?