Havin, a classmate of the trio, disappears from the asylum seekers' home. At the same time, there is a spate of burglaries in Skjåk. The friends search for their classmate and try to find out who is behind the burglaries. At the same time, Lars meets Mitnik, a girl from Germany. The two continue their investigation, but are betrayed by Officer Roger Haugen of the Cyber Defense Department, who is working with the blackmailer. They try to get access to Lars' father's secret “CX” computer.
