The Absent One, also known as Department Q: The Absent One, is a 2014 Danish crime mystery film directed by Mikkel Nørgaard and co-written by Nikolaj Arcel and Rasmus Heisterberg, based on Jussi Adler-Olsen's novel of the same name. From Wikipedia
Creator Scott Frank has sketched out a second-season storyline following Dept. Q’s strong critical debut and restored Netflix release.