When a dead man is lifted from the freezing waters of Oslo Harbour just before Christmas, Detective Lena Stigersand's stressful life suddenly becomes even more complicated. Not only is she dealing with a cancer scare, a stalker and an untrustworthy boyfriend, but it seems both a politician and Norway's security services might be involved in the murder. With her trusted colleagues, Gunnarstranda and Frølich, at her side, Lena digs deep into the case...

Suspended from duty, Detective Frolich is working as a private investigator, when his girlfriend's colleague asks for his help with a female asylum seeker, who the authorities are about to deport. She claims to have a sister in Norway, and fears that returning to her home country will mean instant death. Frolich quickly discovers the whereabouts of the young woman's sister, but things become increasingly complex when she denies having a sibling, and...