When a giant comet is heading directly towards Earth and threatens to cause a global catastrophe, the life of John Garrity, an architect from Atlanta, turns into a race against time. Together with his wife, Allison, and their young son, Nathan, they find themselves caught in a desperate struggle for survival amidst the chaos. As the news grows grimmer and governments begin evacuating those who can, the Garrity family receives a selection message for a shelter in Greenland, which promises to be one of the few safe places amidst the impending destruction.
Armed only with their love and determination, they embark on a harrowing journey towards an uncertain destination. As they face dehumanization and widespread panic, the trio is forced to make difficult decisions about whom to trust and how to cope with the growing despair around them. The threat lurks at every corner, and family tensions rise as John struggles to protect his loved ones from external and internal forces.
As time runs out, the story emphasizes not only the fight for survival but also the deep bonds and sacrifices people are willing to make for those they love. In the end, the most important questions are not just about how to escape, but about what it truly means to be safe in a crumbling world.