Lack of good storyline.

A Masterpiece!

The performances transcend the film's tropes, grounding it in characters that feel more complete than this subgenre often produces.

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?