Director Ole Christian Madsen and screenwriter Lars Kristian Andersen were both personal acquaintances of Finn Nørgaard who was one of the victims of the tragedy. The three of them worked together on Kun for forrykte: Eik Skaløe og Steppeulvene (1988).
PROLOGUE: "This movie is a story about the terror attacks in Copenhagen on the 14th and 15th of February 2015."