John Garrity (Gerard Butler), his wife Allison (Morena Baccarin) and young son Nathan make a dangerous journey to Greenland, their only hope for survival. Against the background of terrifying news about the destruction of cities around the world, fragments of the comet, the family is experiencing all the best and worst in humanity, while fighting the growing panic and numerous crimes around them. As the countdown to the global apocalypse approaches zero, their incredible journey culminates in a desperate last-minute flight to a possible safe haven.