Just as the passengers settle into the rhythms of life in the bunker, a sudden food shortage forces them to consider making another risky journey

With the generator shut down, temperatures and tempers soar, sparking a tense standoff. The Colonel finds a damning piece of evidence at the air base

After a distressing chain of events, Thea and Mathieu lead a search for a new plane, and the officers plot their revenge on Sylvie

At the bunker, the trial soon gives way to more twisted schemes. The group searching for seeds encounters a disoriented stranger

As Thea and team attempt to lure Gia out of the vault, Ines searches for a way back into the bunker, and Rik confides in the ambassador

The crisis aboard the plane threatens to leave the travelers stranded. Fearing for their lives, Sylvie and the others hatch a plan to flee the bunker