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Desperate to defuse a nuclear standoff, Liam receives help from an unlikely source. Also, with Darius missing, Harris and Grace take matters into their own hands.
Darius vows revenge on the hacktivist group Re/Syst, no matter what the cost. Also, Harris discovers a dark secret and Grace reveals one of her own.
Darius, Grace and Harris uncover the darkest secret yet, and Liam reconnects with Jillian.
In season two, the world has learned 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 humanity?