A hopelessly inert religious horror film based on the apocryphal “Infancy Gospel of Thomas” (as opposed to the four canonical gospels of The New Testament, which are obviously all composed of nothing but hard facts), Lotfy Nathan’s “The Carpenter’s Son” begins with a premise so crystalline that even a skeptical heathen like me can appreciate its truth: It would have been absolutely terrifying if the son of God suddenly rocked up on this mortal coil. Beautiful, too, at times, but also terrifying. For everyone.

For his Mother (FKA Twigs, her power as an artist wasted in a movie that only wants her for her pout), whose steadfast faith in her infant provenance only makes her more afraid of the baby-burning…