The issue I had was, what was the point? (Spoilers - blacked out)
My issue with movies like this is that after spending 90 minutes watching an uncomfortable movie, then don't make a film that ends the way this one did and makes one ask, "What was the point?". Maybe I am missing something, but when it comes to the ambiguous and open ending with one of the Asian women rising to the surface of the lake that is exactly what I asked.
So, why make a viewer cringe and shudder and then...............nothing.