Faced with a recession and growing pressure from Europe to restart oil production, Prime Minister Jesper Berg makes a surprising announcement.
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.
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.
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.
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.
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.
As Berg begs Europe for military assistance, Hans Martin faces a showdown with Wenche Arnesen. Thomas begins to suspect Bente of having an affair.
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.
Berg gets help from the Americans but soon tests their patience. Meanwhile, Bente reaches out to Free Norway with crucial information.
In the season finale, Hans Martin races to find Sidorova, Berg pushes the Americans too far and Wenche Arnesen prepares a public declaration.
Hans Martin hunts the leader of Free Norway. In Sweden, Berg forms a government-in-exile, ordering the Coast Guard to attack a Russian installation.
With advice from Djupvik, new prime minister Anita Rygg makes some strategic moves. Bente is pressured to spy on an oligarch staying at her new hotel.
The trial against the Coast Guardsmen results in a maximum sentence, enraging their families. A betrayed Stefan kidnaps Hans Martin and his daughter.
Berg flees to Poland and reveals the secret Minikov deal, but the Russians track him there. Bente takes extreme action to protect her family.
Berg makes it to Paris but French authorities resist Anita's efforts to have him extradited. Bente tries to turn herself in for Minikov's death.
Russian violations of Finnish airspace complicate Anita's attempts at an alliance but play into Berg's hands. Hans Martin investigates his accident.
To pressure the EU on a vote over Russian withdrawal, Anita cuts Norway's oil supply to Europe, so Berg arranges a false flag operation.
While Berg makes his way to Norway by sea, Anita frantically tries to strike a deal that the EU will accept, forcing Vold to stage a military coup.
Berg forms an interim government in the wake of the Russian withdrawal while the EU pressures Norway to resume its energy production.
Djupvik learns that the new defense minister may have been behind the assassination of Anita. Border troops resist EU peacekeepers.
Vold enters the electoral campaign, accusing Berg of corrupt profiteering. Sidorova tries to retrieve her partner, Sorokina, from Russia.
Anti-Russian attacks escalate due to a hate campaign that Berg tries to link to Vold, unintentionally increasing his opponent's popularity.
Linked to Anita's death, Berg suffers in the polls and discovers that Bente's former boss has been spreading rumors via internet trolls.
Berg survives a near-fatal heart attack close to election day but Bente's testimony may lead to his impeachment by the Supreme Court.