Sinopsis
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.
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.
