中情局的新人律师无意间被卷入危险的国际间谍网络：一名前探员扬言要曝光中情局的秘密。

　　来自神秘账号在社交媒体上的艾特牵扯出一件诡异的凶杀案，使得本来渐行渐远的好友二人不得不联起手来，追查真相。昔日好友缘何形同陌路？面具杀手是否另有目标？惨死的少女究竟是何身份？隐匿于互联网之下的暗潮汹涌，等你揭晓。

《警戒》是一部关于费城警察局失踪人口调查组(MPU)的剧情片。每一集都讲述了一场惊心动魄、生死攸关的寻人行动，与此同时，警察杰森·格兰特和他的前妻尼基·巴蒂斯塔也在寻找他们失散多年的儿子的真相。

An ancient Chippewa demon, the WINDIGO, is resurrected by a Native American teenager and his grandmother to protect their family after a run-in with back-woods meth dealers. They soon discover that the creature’s lust for killing cannot be controlled. As each killing bonds the teen and the Windigo ever closer, the family must find a way to break the curse before all of them become the blood-thirsty creature’s next victims.

A struggling actress tracks down the star of a movie she hopes will be remade, only to uncover dark secrets.