During a routine search of an old cabin in the remote and wintery back country, Finnish policewoman, Nina Kautsalo, discovers two dead prostitutes, with a third still fighting for her life. The ensuing investigation takes a surprise twist when an extremely rare and deadly virus is discovered in the surviving woman’s bloodwork. When the Finnish Bureau of Investigation takes over the case, German virologist, Thomas Lorenz is called in to assist in identifying and containing the virus. Set within the endless white expanse of the arctic circle, Nina and Thomas must rely on each other to have any hope of saving the ones they love. But what takes precedence? A deadly virus or an active serial killer?
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Best Episodes of Arctic Circle
Johdatus
S4 Ep5
8.0
29th Jan 2025
Nina finds out about 40-year-old events and who the last representative of the Taimenen family is. Jarmo and Esko drive to the wilderness church. Tuomas kidnaps Santer. A desperate Nina decides to trust the guidance.
Tracks In The Snow
S1 Ep2
7.3
21st Dec 2018
National Bureau of Investigation joins the investigation and Nina is forced off the case. Tracks in the snow give her a new lead, however.
God's Peace
S1 Ep5
7.3
28th Dec 2018
Virus investigation becomes even more topical. Police track down the fourth victim.
Carriers
S1 Ep8
7.2
4th Jan 2019
Nina and Thomas get new information from a surprising source. Thomas has to fight for his daughter's custody. Virus infection takes a frightening turn.
An Eye for an Eye
S1 Ep4
7.2
28th Dec 2018
Both crime and virus investigations are progressing slowly. Work and personal life are starting to mix for both Nina and Thomas.
Worst Episodes of Arctic Circle
A Distant Guest
S4 Ep1
7.0
1st Jan 2025
Nina continues as Ivalo's police chief. Her son Santeri is with her. Stenius comes to ensure security for an international conference. Nina investigates a major accident that turns out to be a mass murder.
Mark of the Chosen
S4 Ep2
7.0
8th Jan 2025
They want to keep the mass murder investigation a secret. Aikio smells a burnt cart. A terrorist suspect arrives in Ivalo. The threat of terrorism, mass murder, and a brilliant comet in the sky seem to be connected.
Scars of the Past
S4 Ep3
7.0
15th Jan 2025
Old events related to the religious sect are beginning to unravel. Nina interrogates Ossi about the past. Marita is warned about the prophecy. Aikio is shot. The police find out who is behind the mass murder.
The Last of His Family
S4 Ep4
7.0
22nd Jan 2025
Aikio's condition is serious. Nina identifies the terrorist wanted by the FBI. The motive for the mass murder is confirmed. In Ivalo Visiting astrophysicist Jonathan Sprout's life is in danger
Cellar
S1 Ep1
7.1
21st Dec 2018
Finnish police Nina Kautsalo makes a horrific discovery in the basement of wilderness cabin. Soon the find brings German virologist, Thomas Lorenz, to work on the case.
Arctic Circle Episode Guide
Cellar
S1 Ep1
7.1
21st Dec 2018
Finnish police Nina Kautsalo makes a horrific discovery in the basement of wilderness cabin. Soon the find brings German virologist, Thomas Lorenz, to work on the case.
Tracks In The Snow
S1 Ep2
7.3
21st Dec 2018
National Bureau of Investigation joins the investigation and Nina is forced off the case. Tracks in the snow give her a new lead, however.
Storm Rises
S1 Ep3
7.2
21st Dec 2018
Raunola, the man suspected for the murders is leaving the investigators confused. The virus investigation takes a bad turn, and Nina and Thomas find each other in surprising place.
An Eye for an Eye
S1 Ep4
7.2
28th Dec 2018
Both crime and virus investigations are progressing slowly. Work and personal life are starting to mix for both Nina and Thomas.
God's Peace
S1 Ep5
7.3
28th Dec 2018
Virus investigation becomes even more topical. Police track down the fourth victim.
First Victim
S1 Ep6
7.1
28th Dec 2018
Nina gets a chance to interrogate the fourth woman. Esko gets into trouble with the police. The first victim wakes up from coma.
Predator
S1 Ep7
7.2
28th Dec 2018
Nina and Thomas are in danger when Raunola returns to Ivalo. Marita gets bad news in quarantine.
Carriers
S1 Ep8
7.2
4th Jan 2019
Nina and Thomas get new information from a surprising source. Thomas has to fight for his daughter's custody. Virus infection takes a frightening turn.
Murmansk
S1 Ep9
7.2
4th Jan 2019
Nina and Thomas participate in an illegal expedition to Murmansk. Venla is fighting for her life.
Venla
S1 Ep10
7.2
4th Jan 2019
Nina and Thomas return to Finland. Venla gets help from unexpected source. Nina will have to step into the darkness once more.
