It's fun, it's light, [but] it has a hard time when its tries to get heavy.

Simple and well acted, it has tension enough to knot the stomach.

Tells a fascinating and unsettling true story, and does so well, without pretending to have all the answers.

It's the kind of movie you'll want to see a second time with someone who hasn't seen it yet, to remember what it was like to watch it for the first time.