Norwegian miniseries based on Unni Lindell's mystery novel. A serial killer is on the loose in Oslo. He kills and leaves mysterious notes under the bodies with lines from a children's song. Problems pile up for investigator Cato Isaksen, both in relation to his two families and the murder cases.

Three young immigrant boys, Wasim, Riaz and Munawar, come of age in the east end of Oslo, Norway. They find school boring and become attracted to the hard boiled gang East Side Crew, run by brothers Sadiq and Khalid. Petty theft soon develops into drug dealing, violence and murder.

Doing it, or not doing it, that is the question for leading man Tommy. His long time girlfriend Maria is ready to take the leap from fumbling touches to the real thing, but Tommy, who works part time as an altar boy, believes sex belongs within the sanctitude of marriage.

Mats and his friend grew up in eastern Oslo in the 1980s and did not fit in. They have a tormentor that bully them. One day they will have enough.