In the extremely cold Alaskan wilderness with ice and snow, murderers and other illegals from all over the world join an oil company and work hard in this wild land. John Otway (Liam Neeson) is the guardian hunter of this company, specializing in hunting wild wolves to kill workers. He misses his wife day and night, and has long lost hope in life. One day, the plane he and the workers were on suffered an air crash. When he woke up again, he found himself in an ice field with blizzards. Six people, including Hendrick (Dallas Roberts), Diaz (Frank Grillo), Burke (Nonso Anozie), Talgate (Dermot Mulroney), Flannery (Joe Anderson) and Hernandez (Ben Bray), escaped with him by chance. Although they escaped temporarily, their lives were still threatened in the critical moment when rescue was delayed. Seven survivors with different personalities are about to embark on a seemingly endless journey of survival...