Set in the intensely secretive world of intelligence and the enigmatic US/Australia joint defence facility in central Australia, the spy-thriller Pine Gap delves into the famously strong alliance between the two countries.

16岁的Claudia在与世隔中断的情况中长大。母亲的离世令她被困在一处荒僻罕有的屋子里，当Grace像海市蜃楼一样出如今花园里，呼吸着新颖的甜味空气时，她感应震动。在与母亲共处的16年里，Claudia从未真正打仗过外部世界，而除了母亲，也没有任何人知道她的存在。Claudia关于人际关系的明白布满了母亲带给她的负面影响，Grace让她降服了惧怕…