Impossible - The Final Reckoning," the thrillingly doom-laden last chapter of the "M:I" series, Tom Cruise does something you expect - he's featured in the kind of elaborate stunt sequence that's become this 30-year-old series' trademark - but he also does something you may not expect.

Underwater and high in the sky, Tom Cruise's stunts are fantastic, but Cannes we get past the running exposition? A rapturous French premiere says that mission is quite possible.