A family struggles to survive when a comet rages against the earth. John Garrity (Gerard Butler), his separated wife Allison (Morena Baccarin) and son Nathan embark on a perilous journey to their only hope of safety. While several cities around the world are leveled with the earth from the comet’s fragments, the family experiences the best and worst humanity can offer, while battling the growing panic and lawlessness around them. As the countdown to the global apocalypse approaches zero, their last chance is a desperate flight to a possible safe haven.