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Salvation is a suspense thriller that centers on Liam Cole, an MIT grad student, and Darius Tanz, a tech superstar, who bring Pentagon official Grace Barrows a staggering discovery—that an asteroid is just six months away from colliding with Earth. In season two, the secret is out—the world learns the truth about the impending threat of an asteroid on a collision course with earth. The question is: will the truth bring out the best ... or the worst in us? The answer, of course, is both.