Although the financial world is collapsing around the main characters, Stone once again addresses the issues of greed, loyalty and betrayal.

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But Scorsese and the screenwriter, William Monahan, have added weight to the story by digging deep into urban tribal lore the memories of loyalty and betrayal going back for decades, the nasty old jokes, the bullying insults and invective.

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And when that loyalty is betrayed, people have a tendency to punish the betrayal, even at great cost to themselves.

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