Filth

The main character is Bruce Robertson, a detective sergeant of the detective police of the city of Edinburgh, seeking to obtain the vacant position of detective inspector. Bruce's boss, Bob Toal, assigns him to lead the investigation into the murder of a Japanese student in an underpass. In addition to Bruce, his colleagues in the detective police department are also vying for the position of inspector. Robertson uses every possible means to eliminate his rivals, setting them up and humiliating them...