British thriller in which two American low-level criminals get the opportunity of a lifetime when they are approached by an English lawyer. While Eddie (Sam Rockwell) and Paul (Ben Schwartz) are biding their time working in a New York dinner, a mysteriously unassuming lawyer named Katherine (Phoebe Fox) offers them the biggest job of their lives. The mission: to acquire an inconspicuous rucksack containing a diamond worth millions of pounds, nicknamed the Blue Iguana. With time running out, Eddie and Paul must make their way to London with Katherine in tow if they are to track down the elusive gem and get their payday.