1Cellar
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.
2Tracks In The Snow
National Bureau of Investigation joins the investigation and Nina is forced off the case. Tracks in the snow give her a new lead, however.
3Storm Rises
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.
4An Eye for an Eye
Both crime and virus investigations are progressing slowly. Work and personal life are starting to mix for both Nina and Thomas.
5God's Peace
Virus investigation becomes even more topical. Police track down the fourth victim.
6First Victim
Nina gets a chance to interrogate the fourth woman. Esko gets into trouble with the police. The first victim wakes up from coma.
7Predator
Nina and Thomas are in danger when Raunola returns to Ivalo. Marita gets bad news in quarantine.
8Carriers
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.
9Murmansk
Nina and Thomas participate in an illegal expedition to Murmansk. Venla is fighting for her life.
10Venla
Nina and Thomas return to Finland. Venla gets help from unexpected source. Nina will have to step into the darkness once more.