Private detective Varg Veum lives, and is consulted in various criminal cases, in Bergen on the west coast of Norway.

After extricating 17-year-old Lisa Halle from a life of prostitution in Copenhagen, private investigator Varg Veum becomes ensnared in a tangle of parental neglect and bad love when he is hired to locate Lisa's boyfriend, Peter Werner.

Jakob Aasen has hired his old friend, private investigator Varg Veum, to spy on his wife Rebecca, whom he suspects of infidelity. Against his better judgement Varg accepts the job, and in an ironic twist he and Rebecca rekindle their former love. Meanwhile a serial killer is targeting members of Jacob's band and their families...

Varg Veum promises his girlfriend that he will find her sister who has vanished.

Varg Veum is going to be a father. In a way he could never imagine, life takes on a new direction while he is searching for a missing pair of siblings in the prostitution circles in Bergen. Varg realizes that life will never be the same when he has to make a decision: Let the criminals go free or expose Karin to mortal danger.

Racial tension is running high in Bergen after a young black asylum seeker dies at the hands of the Police. Shortly afterwards, a right-wing politician is targeted by a gunman at a public rally and his wife is fatally wounded. Another member of the right-wing party, Marit Holm, approaches private investigator Varg Veum, insisting she is being stalked.

Varg Veum is summoned by the chief of police Hamre to a hostage drama on a farm outside Bergen. A married couple have been brutally murdered, and all evidence points to their foster son, 16 year old Jan Egil. The kid refuses to talk to anyone else than to Veum, who knows him since childhood. He swears he had not killed his foster parents. But there is a couple social workers at the welfare home for stray kids, where Egil had landed when he was 1 year old. They got deeply touched by the drama as defenders of the young population of the social home, for it's been plagued by a new drogue called GHB (Hydroxybutyric acid) and several kids had died on it. When Egil declares himself guilty of the murder, Hamre, the chief of police, asks Veum to get his hands out of a solved case. But Veum discovers that Egil is been forced by the knowledge a disturbing reality concerning his foster father and this drug.

An international oil drilling company hires private investigator Varg Veum to find their missing systems designer, Arne Samuelsen. Varg discovers the headless body of a woman jammed into the fridge in Arne's apartment - and is promptly knocked unconscious. When he wakes up the body is gone and the Police has arrived.

Varg Veum is no longer working as a private investigator. He's got a permanent job as a teacher, and has calmed down his life, enjoying the domestic bliss with his new girlfriend Karin, but the idyll doesn't last long. Veum gets a brutal meeting with the past, when "The Knife" is released from prison, determined to take revenge on those who got him convicted for the murder of a teenage girl.

Varg Veum tries to help a scared girl lost in the woods at night, but he fails to avoid her death. What was this young asylum seeker fleeing from?