As the Union’s Holon army nears the Polity’s final stronghold, Chase preps his team for what could be gen:LOCK’s last stand.

As Miranda and Chase head to New York to face off against the Twilight, Cammie and Caliban near a breakthrough that could help Henry crack gen:LOCK’s code.

In 2068, the war between the Union and the Polity begins with a shocking strike on a major stronghold. As Yaz joins the resistance movement, Chase confronts a shocking truth.

As the Twilight ravages New York, Chase and the members of gen:LOCK face a fatal decision that could finally seal humanity’s fate.

As the gen:LOCK team prepares for their raid on RTASA, Miranda hatches a plan to appeal to Chase’s emotions, while General Marin confronts the Polity’s latest plot.

General Marin’s ruthless tactics come into question while the gen:LOCK team mourns one of their own. Later, Cammie’s search for answers leads her to Babylon.

While General Marin orders a much-needed reprieve, Chase considers the complex implications of his discovery, and Miranda angles for a promotion. Then, a figure from the Polity’s past emerges from the shadows.

As the battle to reclaim the Anvil approaches, Cammie clashes with her teammates, while Val bonds with Kazu. Later, Chase uncovers a dark truth.