密歇根州荷兰镇教师南希范德格鲁特，她与担任社区领袖的丈夫弗雷德、儿子哈里过着典型的美国田园生活。当南希与同事戴夫德尔加多偶然发现丈夫隐藏的秘密后，平静生活迅速崩解。

Faris, who had just returned from his duty as a soldier. Instead of being warm, his return was actually greeted with a ..

一男一女两位生存专家醒来惊讶地发现自己处在一个偏远而荒凉的地方。毫无装备、浑身赤裸的他们需要在此生存21天。