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

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.

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.

Plagued by frightening visions, Rasmus takes his fate into his own hands. Sarah's health worsens. Jean and Lea share a tender moment.

Simone, Martin and Fie pursue Rasmus and Sarah, whose bond deepens while they're on the run. Patrick makes another discovery. Jean tries to console Lea.

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.