Salvation centers on a staggering discovery: an enormous asteroid is just six months away from colliding with Earth. Without alerting the public, MIT grad student Liam Cole and tech billionaire Darius Tanz team up to save humanity from this impending apocalypse. Keeping it secret will complicate life for Liam and those closest to him. Meanwhile, the government has its own approach. Deputy Secretary of Defense Harris Edwards has been tasked with running a top-secret plan to deflect the asteroid.