When Vilma finally wakes up, no one is there. She starts wandering about, leaving the tunnels, and entering the world outside. She is picked up by the police and brought to the hospital, where Ravn finds her, and brings her home. Per finds a way into the secret tunnels, where he confronts Teo and Leif with fatal consequences.

After Leif sabotaged the power system in the city, chaos rules in Oslo. The citizens have no water, no gasoline, no heating and no communication. The hospital runs on emergency supplies, but after three days problems arise. Leif and Unn decides to take some of the patients to the underground clinic, which is still operational.