Ketill is released, but his sons Torfi and Skuli remain the best lead the police have. With Skuli still on the loose, a full search-and-rescue operation is mounted. Torfi drops a hint that his group, Hammer of Thor, are planning something big, but do Andri and Hinrika have time to work out what it is before it's too late? Asgeir helps them make a breakthrough. Meanwhile Mayor Hafdis is still being threatened by a mysterious opponent, but is determined to conceal it from the police until the investment deal is signed.