Denmark, 2014. A former police officer asks Carl Mørck, head of Department Q, to find out who brutally killed his young twins in 1994. Although a local inhabitant confessed and…

Denmark, 2016. A blurred note is found in a bottle that has traveled across the ocean for a long time. After deciphering the cryptic note, Department Q follow a sinister…

Copenhagen, 2018. A frightening discovery is made in an old apartment. The subsequent investigation of Department Q leads them to an infamous institution for girls that was suddenly closed in…