Slick, sophisticated who-done-it rollercoaster that holds your attention. The main protagonist, the South American nurse, who's nationality varies from country to country throughout the film, is a distraction from the gulty party, who is not actually guilty, ostensibly, of the murder, yet, would have been had the patriarch (Plummer), not done what he did. I can't say more without adding spoilers, but I have to say that is film is a prime example how tight editing and dialogue can engineer a film's success. The protagonist, Marta, is what some would call the McGuffin. Slick. The almost film noir detective (Craig) knows it from the beginning but hides behind an intentional Columbo-esque Cajun fog.