在不久的将来，当通信脱机在沙漠中孤立的一个偏远的核电站，一个年轻的安全员，Abby Dixon被迫飞了回来在线。一旦里面的设施，神秘的线索和奇怪的行为引起艾比对理智的怀疑，也许是身份，这两个员工现场。

  In the near future, when communications go offline at a remote nuclear power plant isolated in the desert, a young safety inspector, Abby Dixon, is forced to fly out to bring them back online. Once inside the facility, mysterious clues and strange behaviors cause Abby to have doubts about the sanity, and perhaps identities, of the two employees onsite.