Joint winner of the 2015 NSW Premier's Literary Awards and a CBCA Notable Book for 2015Cara has grown up in the shadow of the Wall, in a closed world of food shortages and high security. Her parents are dedicated to their secret work for the government, and it's only a matter of time before her gifted younger sister follows in their footsteps. It's all Cara has ever known until she meets Ava. One day Ava questions the government's authority, and Cara makes a choice that she might regret forever.