The film is about Charlie Richardson and briefly talks about the Kray Twins, the inspiration for James Fox's character in Performance. Organized crime in London.
The film doesn't really offer anything we haven't seen before though. Nothing new here. There are some fairly interesting moments here and there but the producer and director seem to want to focus more on the torture scenes. These scenes are the boldest.
The rest is tired stuff we've seen in 100 other films prior to this. Be better off watching Performance. At least there is more style to that- more imagination. This is actually pretty dry.