
After a mysterious message from local activist Sonja á Heyggi, who claims she is his daughter and that her life is now in danger, journalist Hannis Martinsson returns home to the Faroe Islands.

As the mystery surrounding Sonja deepens, Detective Inspector Karla Mohr must work quickly to appease Hannis, her superiors and the local community. Meanwhile, Hannis launches his own investigation.

Karla comes across new evidence that makes her question everything. Hannis continues his investigation into his daughter's death and tries to piece together the clues Sonja left behind.

Hannis discovers a secret operation that reveals Sonja cannot have died the way and where the police claim she did. Meanwhile, Karla wants to publicly close Sonja's case.