冰天雪地极度严寒的阿拉斯加荒原，来自各地的杀人犯等非法之徒加入某石油公司，在这个蛮荒之地辛苦作业。约翰·奥特维（连姆·尼森 Liam Neeson 饰）是这家公司的守护猎人，专门负责猎杀野狼以使工人灭受残害。他日夜思念妻子，于生早已了无所望。某天，他和工人们乘坐的飞机遭受空难，当他再次醒来时，发现自己正置身在暴雪纷飞的冰原。与之一同侥幸逃生的汉德里克（Dallas Roberts 饰）、迪亚兹（Frank Grillo 饰）、博克（Nonso Anozie 饰）、塔尔盖特（Dermot Mulroney 饰）、弗兰纳瑞（Joe Anderson 饰）以及赫南德兹（Ben Bray 饰）等6人。虽然暂时逃生，但在救援迟迟不曾到来的危机时刻，他们的生命依然受到威胁。性格各异的7名幸存者，即将踏上似乎永无止境的求生之路…… Extremely cold world of ice and snow of the Alaskan wilderness, from around the murderers and other illegal acts join an oil company, and hard work in the wild. John Otway (Liam Neeson Liam Neeson ornaments) is the guardian hunter of the company, responsible for hunting wolves to enable workers to destroy maims. He missed his wife day and night, and he had no hope in life. One day, he and workers aboard the aircraft suffered a crash, and again when he woke up and found yourself in the snow swirling in the ice sheet. Together with the lucky escape handreck (Dallas Roberts ornaments), Diaz (Frank Grillo ornaments), blog (Nonso Anozie ornaments), Tal Gate (Dermot Mulroney ornaments), Fran Narey (Joe Anderson ornaments), and Hernandez (Ben Bray ornaments) and 6. Although temporarily escape, but in the rescue has not been the arrival of the crisis, their lives are still under threat. Different characters of the 7 survivors, is about to embark on a seemingly never-ending survival of the road......