A strange illness spreads among the participants of an illegal rave.
When Mats' grandfather dies the family opens a wooden box containing evidence of the family's Sami heritage. Why has this been kept secret? Why did they stop being Sami? And why do they know so little about their history?
Set in the 1970s, Blackwater tells the story of how four random people's lives converge after two tourists are found murdered in a tent near the Swedish mountain town of Blackwater.
