The post-apocalyptic drama 40 Acres has the bad fortune of coming on the heels of another post-apocalyptic drama, 28 Years Later. Director Danny Boyle’s long-awaited sequel is urgent, engaging and brilliantly assembled. 40 Acres contains much smaller quantities of these key assets, but it does have a riveting Danielle Deadwyler and a concept that sizzles with topical fission, even when that relevance takes a backseat to standard genre beats. Indeed, there are moments when one wishes that first-time feature director R.T. Thorne would have found a visual language as unconventional as the story he’s telling, squeezing a little more juice from the racially charged undercurrents that make it so unique.