Bruno, chef de police in the French town of St Denis, is already busy with a casewhen the body of an undercover French Muslim cop is found in the woods, havingcalled Bruno for help only hours before.But Bruno's sometime boss and rival, the Brigadier, doesn't see thisinvestigation as a priority - there are bigger issues at stake.Bruno has other ideas.Meanwhile, a Muslim youth named Sami turns up at a French army base inAfghanistan hoping to get home to St Denis. One of Bruno's old army comradeshelps to smuggle Sami back to France, but the FBI aren't far behind.