When a cult member is found murdered in a cave, Andri learns he's the same young man he'd been convinced was guilty of a woman's 2013 disappearance.

The arrival of biker-gang reinforcements from Denmark rattles and divides the cult. The police learn how Ívar, the bikers and the cult are connected.

The police interrogate Sverrir but are interrupted. The cult takes a step to ensure its safety. The bikers catch Freyja furtively writing in a notebook.

To get proof of Hopper's connection to the drugs, Sonja sends Sverrir as a mole to the biker gang's warehouse, where Hopper tests his trustworthiness.

When Sverrir disappears, the police begin a search. On probation, Andri visits his mother. Gunnar discovers he's now persona non grata in Hopper's eyes.

Kristján is questioned about his alibi. Andri spots a well-placed security camera. At the wake, the truth behind Ívar's and Lína's deaths is unveiled.