J has to make a terrible decision. Smurf disappears on the day of a job, which has symbolic ramifications for her sons.
J finds out Smurf's secret, while Deran makes a rash decision to try and help the man he loves.
The killer is revealed. Not before he does something drastic.
The town's water is polluted. Andri and Hinrika discover more clues, as does Ásgeir.
Vikingur is arrested for murder. And still, the truth is more complicated.
Andri's daughter becomes more involved in the investigation. Víkingur's ready to snap.
In the wake of Finnur's murder, Andri and Hinrika discover suggestive evidence about some people in town.