Winter in Norway. Niels is a very hardworking man; he is a driver of a very powerful plow snowplow. It can be used to clean roads and mountain passages in this inhospitable, icy landscape. This is where Nils lives. Recently, he was recognized as a citizen of the year for his own efforts. And now he became aware that Nils's son died due to an overdose of heroin. But like any father, he does not want to believe in it and begins his own, secret investigation. He seriously set about the idea of finding the murderers of his son. But events unfold spontaneously, unexpectedly, which pushes Nils to become a mysterious hero who can inspire fear in the underworld.