After climate change prompts Norway to halt fossil fuel production, Russian forces stage a "silk-glove" invasion to restore oil supply lines.

1. April 46m Faced with a recession and growing pressure from Europe to restart oil production, Prime Minister Jesper Berg makes a surprising announcement.

2. May 46m As Berg tries to downplay Russia's presence in Norway, a rogue guardsman creates a crisis. Meanwhile, things start looking up for Bente's restaurant.

3. June 46m Hans Martin questions a Chechen father and son in the hit-and-run that killed a Russian, while Berg presses Russia for a departure date.

4. July 45m Hans Martin and his partner investigate a teen who runs an anti-Russian blog, while a violent nationalist group issues an ultimatum to Thomas Eriksen.

5. August 45m As the Russians prepare to leave Norway, Berg faces an uncertain future, Hans Martin makes a breakthrough and Thomas follows a tip to a gas plant.

6. September 46m Berg stuns his wife and party with a desperate proposal to the EU, while Hans Martin battles interference as he races to find the Viksund bombers.

7. October 46m As Berg begs Europe for military assistance, Hans Martin faces a showdown with Wenche Arnesen. Thomas begins to suspect Bente of having an affair.

8. November 45m When Berg's ploy to expel the Russians leads him into danger, Hans Martin steps in to negotiate. Bente struggles to come to terms with Thomas's fate.

9. December 46m Berg gets help from the Americans but soon tests their patience. Meanwhile, Bente reaches out to Free Norway with crucial information.