The King's Surrender
Wir waren Könige (original)
Violent youth gangs and a police force way out of its depth. When a police operation goes awry and two policemen die, the powder keg threatens to ignite as the SWAT team knows only one goal: revenge - irrespective of the law.
Starring Ronald Zehrfeld, Mišel Matičević, Mohamed Issa, Hendrik Duryn, Tilman Strauss, Oliver Konietzny, Frederick Lau, Bernhard Schütz, Thomas Thieme, Torben Liebrecht
It's a crime and drama movie, and has a rating of 6.6 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Singapore.