Rasmus and Beatrice grow closer as they spend time alone together. The others discover a new bunker -- and a disturbing secret that lies within.

In the wake of their grim encounter, Martin and Patrick race back to the base. Meanwhile, a grief-stricken survivor plots revenge.

Lost in the woods, the group stumbles upon a mansion. The residents invite them to stay the night, and Lea bonds with one of the women.

A band of armed strangers tries to extract information from Patrick. Rasmus begins to unravel in the wake of a grim discovery.

Martin accompanies Simone on a journey to retrieve her father's computer. At the base, Patrick stumbles upon a hidden room filled with strange devices.

On the run from Apollon soldiers, the group follows a set of coordinates to a base where rebel scientists are working on a vaccine for the virus.

Haunted by nightmares and afraid of his newfound powers, Rasmus voluntarily confines himself at Apollon. Meanwhile, Simone ventures beyond the wall.

Simone meets a brother and sister living off the grid. Back at Apollon, Patrick and Fie weigh their options, and Rasmus makes a horrifying discovery.

A deadly virus spread by rainfall forces siblings Simone and Rasmus to seek refuge in an underground bunker, parting ways with their scientist father.

Simone refuses to leave unless Daniel gives her the flower extract. Sten wants to test Fie's theory and threatens Rasmus to ensure his cooperation.

Simone's group approaches a camp of young survivors. Rasmus's thirst for power spirals out of control, and Martin leaves Apollon to search for Simone.

As Apollon surrounds the base, Simone scrambles to find a cure. Rasmus's secret draws Sarah to him -- but threatens to tear the group apart.