The events of the series "Gidseltagningen" unfold in the capital of Denmark in 2016. Early one autumn morning, armed terrorists seize a subway car containing fifteen innocent civilians. The criminals threaten to kill the hostages one by one if their demands are not met. The negotiation process is entrusted to a former military officer, who was once held captive and now heads the Danish Security and Intelligence Service. His name is Philip Nørgaard.