“The Path” attempts to amp up its dramatic potential with a subplot involving an FBI agent (Rockmond Dunbar) who investigates the darker side of the group (it comes as no surprise that the chatter about “unburdening” and psychological blockages masks far more troubling issues of mind control and even kidnapping). But as is too often the case, the law enforcement element of the story takes a long time to go anywhere, and like the rest of the actors, Dunbar often has too little to work with. There are few things more powerful than the sight of Paul trying to hold back tears, and Dancy plays the role of a guru who fears he’s a con man with admirable energy and discipline, but these actors often have to try too hard to add dramatic heft to their scenes. It doesn’t help that some of the supporting actors don’t give their characters believable interior lives, or simply fail make much of an impression. Given that deep spirituality is often about questioning reality and sometimes involves mystical mental states, it would be unfair to expect “The Path” to provide a pat series of answers. But a set of rigorously examined and deeply felt questions might have been enough to give this rambling story the spark that it needs. As it is, the drama’s overly deliberate pace and under-cooked character dynamics may cause some to lose faith before the season finale arrives.