Denmark, 2013. Police officers Carl Mørck and Hafez el-Assad, sole members of Department Q, which is focused on closing cold cases, investigate the disappearance of politician Merete Lynggaard, vanished when she and her brother were traveling aboard a ferry five years ago.

The five days when Copenhagen was held in a panic grip by an intelligent activist and former elite shooter, who takes to arms when a woman journalist writes about the government’s broken promises in an environmental question.