Veteran Nova Corps member Richard Rider returns from deep space and finds that the planet Xandar was destroyed by Thanos in his quest for the Infinity stones. Determined to rebuild the Nova Corps, he travels to Earth in search of a worthy hero to take on the mantle of Nova. Young Sam Alexander is thrust into a cosmic adventure far beyond his imagination when he is recruited by Rider to become the newest Nova. When a threat from Rider's past emerges, the two Novas must team up and save not just their universe, but other universes at risk of total annihilation.
