The Paranormal Disappearance of Ailyn Jesick (2010)

Found footage film where the Jesick sisters travel home to visit their terminally-ill mother in the mountains of North Carolina. To their amazement they find she has taken an amazing turn for the better by rejecting traditional treatment for a holistic approach. As mother's health improves, her girls' meddling begets a horrific outcome making them realize, 'They never should have opened that jar.'