Fireproof may be full of practical wisdom, but this church-backed drama about a firefighter (Kirk Cameron) whose marriage is about to collapse never quite works as a piece of cinematic fiction. Sure, there are action sequences, but they’re baldly peripheral to the many, many scenes of Cameron’s character being lectured by his father or coworker on how to build and maintain a Christian marriage. As a companion piece to a Bible study group this may have some merit, but it doesn’t belong in a theater.