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 was convicted of murder, Carl and his partner Assad soon realize that there is something in the case resolution that is terribly wrong.
Anders and Puk move into their dream house which is still in a state of refurbishment. To be able to afford the expense, they decide to rent the basement out to family therapist Ulrik. Very soon, Ulrik has put their marriage to a severe test.
When a body is found on the bridge between Denmark and Sweden, right on the border, Danish inspector Martin Rohde and Swedish Saga Norén have to share jurisdiction and work together to find the killer.
