I just watched the British film Eden Lake with Kelly Reilly, Michael Fassbender and Jack O'Connell. It had nods to such movies as Straw Dogs, Funny Games, and any of the various American horror films that detail people being terrorized in the hills by slack-jawed yokels.

It was a pretty impressive and even realistic horror film that details what happens to a man and his fiancee who take a trip to the countryside of England only to run afoul of some pretty brutish kids. And these are kids, just barely teenagers. I think the term in England is "hoodies"?

Unlike some of the modern American movies (Hostel or Saw) the violence is not as gratuitous. There are reasons for everything that happens and you actually care about the characters. The first part of the film develops slowly. Aggression and bullying is shown as happening in small steps-whether it's leering at a woman on the beach or letting your Rottweiler bark uncontrollably.

It is a very violent movie that doesn't hold much back. It's more effective in that some acts are shown off screen. It's also a very strong argument for ALWAYS carrying a gun when you leave "civilization"..

"When the snows fall and the white winds blow, the lone wolf dies but the pack survives."
Winter is Coming

Now this is the Law of the Jungle—as old and as true as the sky; And the wolf that shall keep it may prosper, but the wolf that shall break it must die.
As the creeper that girdles the tree-trunk, the Law runneth forward and back; For the strength of the Pack is the Wolf, and the strength of the Wolf is the Pack.