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

The episode was rated 7.01 from 954 votes.

A surprising revelation sparks new hope. Simone and the others ready themselves for a dangerous confrontation as Rasmus closes in.

The episode was rated 7.02 from 185 votes.

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

The episode was rated 7.04 from 224 votes.

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

The episode was rated 7.07 from 187 votes.

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

The episode was rated 7.11 from 199 votes.

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.

The episode was rated 7.13 from 186 votes.

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.

The episode was rated 7.15 from 348 votes.

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.

The episode was rated 7.16 from 339 votes.

Simone and the others set out for Apollon headquarters in Sweden, but their trek through Copenhagen is fraught with peril.

The episode was rated 7.17 from 745 votes.

As Rasmus grows weaker, a worried Sarah asks Fie for help. Reunited, Martin and Simone begin the long trek back to Apollon.

The episode was rated 7.22 from 179 votes.