Talented teen figure skater Kayla is forced to leave everything behind when her family follows her twin brother, Mac, to a prestigious hockey academy.

In the 11th century a missionary goes missing somewhere in the huge forests bordering the northern parts of Sweden. Among the rescue party chosen to find him is Nanna, a young woman on her first real mission and her first return to the part of the country where she was born. But what they will find deep inside those woods is something else entirely. Something dark. Something ancient. Something evil.

Kahina Zadi, 32, a French police officer travels to Kiruna in Sweden to investigate the bestial murder of a French citizen. Together with Anders, a Swedish prosecutor of Sami origin, she begins an investigation. Soon new killings start to happen and the first victim turns out to be the tip of a very dark iceberg. The victims seemingly have nothing in common more than that they are all being killed in a well-planned and vicious manner.

In their hunt for the truth, both Kahina and Anders are forced to deal with their own past that they have repressed. A personal journey through a painful past becomes the key to succeed in preventing the violent killings that affects the small mining community of Kiruna.