After last year’s “Warm Bodies,” there seems to be a trend forming, centered on the idea of romantic escapades featuring humans and zombies. “Life After Beth” continues to develop the subgenre, offering a darkly comic take on eternal love, even after body tissue begins to decay. Funny, but more interesting when it screws around with tonality, the picture marks the directorial debut for “I Heart Huckabees” co-writer Jeff Baena, who delivers confident, wicked work with “Life After Beth,” mostly successful in his quest to blend traditional relationship woes with apocalyptic chaos, finding an amusing middle ground that keeps the movie approachable as it indulges some horrific turns of plot. Read the rest at Blu-ray.com