Arctic Circle

Episode 1

Detective Nina Kautsalo rescues abducted and trafficked sex worker Evgenya from an isolated cabin. In Helsinki, German virologist Thomas Lorenz identifies a deadly virus in Evgenya's blood.

Episode 2

Nina and Thomas join forces to investigate the source of the rare virus. Later, Nina makes a macabre new discovery, as the search for farmer Raunola continues.

Episode 3

Raunola surrenders to Nina, but his confession raises more questions than answers. Nina and Thomas' relationship begins to arouse suspicions.

Episode 4

Thomas and Nina identify an intriguing gap in Marita's history. Raunola undergoes an aggressive interrogation in Murmansk.

Episode 5

A woman from a local religious community tests positive for the virus, but sect leader Ylikorpi blocks further investigation. Raunola agrees to help Cevikovic with a secret mission.

Episode 6

Escaped Russian sex worker Irina takes Nina into her confidence, strongly suggesting that the Russian Mafia may be involved in the case. Nina and Thomas's illicit romance heats up.

Episode 7

Raunola attacks Irina and Thomas and leaves Nina for dead, before fleeing with Lana in tow. A chase leads to Ivalo Airport.

Episode 8

Patient Zero is finally revealed, along with the horrifying origins of the viral outbreak. Two cases are placed under more severe quarantine as the virus mutates.

Episode 9

With only a short window of time to complete the operation, Marcus leads his strike team into Murmansk and ever closer towards Cevikovic.

Episode 10

There are serious consequences arising from the illegal mission to Murmansk. Thomas has to help analyse the infected blood samples.