“Loveless” is a Russian production, and has some very specific commentary on how the country treats its citizens, which might not register as strongly with foreign audiences. What’s more precise is its understanding of a toxic relationship and how such hatred seeps into the system of others. It’s a film that touches on resentment and human nature, but it’s a tale about the loss of a child, with such a traumatic experience nearly regarded as everyday business by the lead characters. Co-writer/director Andrey Zvyagintsev explores the selfishness of a broken marriage in “Loveless,” but pays closer attention to collateral damage, balancing the procedural aspects of a missing child case with the defined narcissism of parents who barely seem to notice their child is gone. It’s a lengthy, slow-burn dip into an emotional abyss, but Zvyagintsev has something to share with viewers, offering a compelling study of denial. Read the rest at Blu-ray.com