Let's be realistic.

Bad Acting and worse Bad Screenplay

It's simply great fun, a winsome film and an occasionally over-the-top luxury fantasy that never flags.

Just intense enough to provide a much-needed diversion, just lightweight enough to make you forget about it soon after it’s over. It’s not exactly “good,” per se, but it does what it sets out to do in terms of putting us on edge, which makes it … successful?