Ex-Omnistellar prison guard Kenzie and her superpowered friends made it off Sanctuary, but are stuck in a stolen alien ship with nowhere to go and no one to help them. Kenzie can't trust Omnistellar, her parents, or even Cage. And she's haunted by memories of the aliens who nearly tore her to shreds and forced her to kill one of the Sanctuary prisoners, Matt. When Kenzie intercepts a radio communication suggesting that more aliens are on their way, she knows that they're following the signal. And if the monstrous creatures reach Earth, then it's game over for humanity