Andri and Hinrika unravel the last of the case, finally discovering the killer and also what happened during the fire of 2008.
Confronted with a shocking revelation, Andri has to do something he never imagined - or wanted - to do.
A damning report written by Andri is leaked to the media. Captain Carlsen agrees to work with the police, despite his fears.
Trausti pushes Sigurður into a confession, whereas Andri remains unsure of the case's so-called facts.
After the mayor's burned alive, Andri has a second murder to solve while the first is still unsolved.
The avalanche has isolated the town further. Andri finds Guðmundur buried and injured. The mayor's past emerges.
Andri discovers Hjörtur leaked the photo on Twitter, so he takes the young man in for questioning.