An MIT grad student, Liam Cole, makes a startling discovery with a self-designed app that studies near Earth objects: A giant asteroid is hurtling toward the planet and the human race has only six months to find a way to stop it. After a professor who he shares his revelation with disappears, Liam seeks help from famous tech genius Darius Tanz who dreams of sending a ship to Mars to colonize the red planet. The two men decide to approach Pentagon officials with this horrifying secret, but soon learn that politics and espionage stand in the way of humanity's salvation.