Initially it works, and then it devolves into something so extreme that it becomes borderline silly.

A film with a distinctive personality and an eagerness to dig around in the real-world sandbox and ask questions for which it knows there is no single, pat set of answers. Fair Play never stops making moves, which makes even its missteps feel refreshing.

It's one of the more incisive and powerfully made movies about relationship dynamics in a good long while.

Fair Play has enough ferocity and verve—and, to be fair, enough sympathy on both sides—to make for a meaty meal of all-too-human foibles.