Despite some guarded comparisons to Eric Rohmer and Mike Leigh, the mumblecore movement didn't seem to have legs. Too often, the as-billed naturalism felt more like solipsistic navel-gazing (the unfortunate name sure didn't help, either). Beeswax, directed by Andrew Bujalski, who is considered the faction's godfather and biggest talent, is the sure-handed ante-upper we've been waiting for. Twin twenty-something sisters contend with a host of problems — legal, romantic, and professional, minor and major — that pile on toward the dramatic tipping point. The intelligent, slightly arrested duo finally deliver on the old mumblecore promise: low-key observation and high-stakes emotion.