Harry Hole, a troubled Oslo police detective, must contend with both a horrific serial killer and his corrupt colleague Tom Waaler.
The series was revealed by Netflix as part of their "Next on Nordic presentation" at Stockholm in March 2024, to spotlight the company's forthcoming Scandinavian productions.
Nesbø was announced to adapt his own novel, reuniting with So Long, Marianne collaborator Øystein Karlsen who signed on as director and executive producer.
[9][10] The three stars were unveiled at a press event at Oslo’s Restaurant Schrøder, a prominent location in the Harry Hole novels.
[11] In August 2024, Peter Stormare, Anders Baasmo Christiansen, Ellen Helinder, Simon Berger, Ingrid Bolsø Berdal and Kelly Gale were amongst a number of casting additions which also included Kåre Conradi, Fridtjov Såheim and Eili Harboe.