Anita makes a serious error while interrogating the girl, the team tries to get their act together before everything falls apart. The widower arrives in Iceland and shines a light on the case that starts to take on a whole new shape.

The autopsy confirms murder; Salomon visits Helga and Elin; Anita deals with Gusti, who has extended his stay; cold cases lead to new information; a lovers' get-together takes an unexpected turn.