"The Arrangement” is, in a lot of ways, a lot like other romantic comedies. But, there’s one way in which it’s not at all like other romantic comedies: It’s almost entirely in the Navajo language.

Marriage can drive you mad—literally, in the case of Uma (Radhika Apte), whose arranged union to a man she barely knows sends her into a crazy spiral of sickness, violence, and carnivorous chaos. A ...