While out playing near the river, a young girl finds a severed hand, and her family anonymously informs the authorities. Less than 24 hours later, the girl mysteriously disappears. Police detective Thomas Lonnhoiden, who is new to the area, begins an investigation into her disappearance, but faces reluctance and disapproval from his superior officer.

In spite of warnings, Thomas begins investigating Silja's death, revealing a seemingly abandoned sawmill that conceals macabre secrets.

During an arrest, a suspected man is shot and killed by a recruit before the police got to question him. The newspaper puts it on the cover, but Mia grabs completely new information that turns the case on its head.

Several traces point to Thomas' own family, but some are obsessed with preventing him from revealing the truth and stabbing sticks in the reels for investigation.

Thomas and Mia reveal that more in the police and in the armed forces are concealing a great scandal from the cold war. They escape the village with special soldiers in their heels - deciding to go across to Russia to reveal the whole truth.

Mia and Thomas have fled from the village, and are on their way to Russia to find the infamous double agent. But they are being chased and the situation becomes extremely dramatic.

Thomas and Mia have crossed the border with Russia, a conversation with a retired agent sheds new light on the truth about Thomas's family.

The mystery around Silja's death is cleared up, high on the mountain lies the solution - a horrible secret The Armed Forces have tried to cover all the years.