Cavite (2006)

One of those blistering no-budget thrillers, like Open Water or Detour, in which the film's economy of means is the trigger for its ingenuity. In Cavite, Adam, a surly young Filipino American (he's played by codirector Ian Gamazon), arrives in Manila to attend his father's funeral. A cell phone rings, and suddenly he is being ordered around town by a derisive Muslim terrorist who has kidnapped his mother and sister. What follows is a breakneck inner-city odyssey of jump-cut shaky-cam suspense, as Adam, guided through the squalor of his homeland, receives a brutal lesson in the culture wars.