Infinitum: Subject Unknown review – solo time loop echoes lockdown

This iPhone-shot sci-fi drama with cameos from Ian McKellen and Conleth Hill is impressively realised, though the plot ultimately frustratesYou’ve got to admire wife and husband film-makers Tori and Matthew Butler-Hart. Stuck in their London flat at the start of the pandemic, the pair wrote a sci-fi script together: a Groundhog-Day-meets-The-Matrix tale of a woman trapped in a time loop. They shot it à deux on an iPhone; she stars, he directs. And there are a couple of cameos, from