During the Colonization of Mars and the Asteroid belt in 2070, Earth mysteriously vanishes. Now stuck without a home planet, humanity must fight to survive. When a nuclear weapon is detonated on a Martian agricultural community in 2084, you are hired to find out the truth, a truth which eventually leads to a shocking discovery about the universe around you.
Track #1 of the Cold Steel: Defiance OST.
Composer: David J. St-Hill