The brutal murder of a French citizen sees French homicide investigator Kahina Zadi (Leïla Bekhti) go to Kiruna, Sweden. Together with Rutger Burlin (Peter Stormare) she begins an investigation that soon takes on staggering proportions.

Rebecka Martinsson from Kiruna has not really found herself despite her big successes at a law firm in Stockholm. When a friend from her childhood passes away, Rebecka returns to Kiruna where she's drawn into a thrilling hunt for a killer.