There’s a mystery at the heart of “Apart” that’s dying for a more convincing exploration. A glacial descent into teen anxiety born from a mystery psychological disorder, the feature does a poor job convincing viewers to care about its puzzles and miserable characters. It pouts and shouts, yet “Apart” is looking to build to a powerhouse resolution of unimaginable emotional weight it doesn’t reach, spending too much time on atmosphere, soaking the picture in a repetitive sense of the unknown. “Apart” is handsomely mounted, but far too languid to penetrate the senses in the same mind-blowing manner writer/director Aaron Rottinghaus intends. Read the rest at Blu-ray.com