From YouTube, a clip from a possibly epic movie, “District B13″, where the backstory is: Paris, 2010. An isolation wall surrounds the ghetto cities. Without effective law enforcement, within these walls, gang rule is absolute.
In other words, rogue renegade cop walks into a casino and kills everyone with a dynamic mixture of gun-fu, martial arts, parkour and a pretty shirt.
In many ways, this is like a free ad for Wushu!