Badly flawed (spoilers)
I think the film fails because it tries to go off in too many directions at once.
The central story, I presume, is about what happened to the children and how people find healing in the recovery of their ancestral traditions. But that gets lost in the "thriller" elements about a predatory developer, a series of murders, ghostly visitations, and a corrupt priest. People talk about how terrible it was, but all we really see are a few incidents of abuse; what actually happened to the kids was awful enough without having to go way over the top with a bunch getting locked in the basement during one of those famous Minnesota earthquakes. And the healing was reduced to people saying they have to recover their traditions and then going out into the woods for a ceremony at the end.
There are too many loose ends. The geologist sees a vision of his college friend committing suicide and ... what? The BIA flunky gets murdered, it's written off as a suicide, and ... what? (Did the "good guys" just get away with murder?) It looks like the priest and Aunty Apple -- do they call her that to her face? -- are getting something on and ... what?
And if you're making a film about the abuse of psychiatry, it's not a good idea to make it a ghost story as well. The docs are vilified for diagnosing the main character as a paranoid schizophrenic and giving her electroshock -- after she's run off the road to avoid hitting a bunch of phantom children.
There's an important story to be told here, but it could have been told better with fewer subplots and more focus.
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