Fan Casting American Werewolf in London

David and Jack, two high school graduates, are backpacking through Britain when they are attacked by a wolf-like beast. David is bitten by the beast while Jack is killed. While David is healing he is haunted by Jack's ghost warning him that he was bitten by a werewolf, and is going to transform into one. While doubting his sanity, David contemplates committing suicide before the next full moon causes him to transform from man to monster.