Stillwater is one of those films that feels like it hasn’t got anything substantial to say, but there is something at work beneath the surface that lingers well after the last reel has run.

Over the course of his career, M. Night Shyamalan has shown a deft hand with horror and suspense, a major tone-deafness with interpersonal drama, and a slippery grasp on anything approaching humor. These attributes come out to ...