Borderliner is a Norwegian noir crime drama series that involves an Oslo police detective who becomes involved in a suicide investigation while visiting his hometown. The series first aired on November 2, 2017, in Norway on TV 2 and was released to Netflix on March 6, 2018. The series was removed from Netflix in March 2023.


Nikolai Andreassen, a police detective from Oslo, is visiting his home town, near Tista river and Swedish border. He is drawn into the investigation of the suicide of a local man named Tommy Hagen; his co-investigator, Anniken Høygaard-Larsen, from the National Criminal Investigation Service, suspects foul play. Nikolai plants evidence in order to protect his younger brother, Lars, who appears to be implicated, but later discovers the truth behind Hagen's death.