The Smiling Girl (2017)

Set in the late 1960's "The Smiling Girl" follows the story of 3 college friends who reunite for their annual backpacking excursion up-state. Things seem to be normal until the cries and screams of a girl leads them to an abandoned cabin in the woods. As they all try to make sense of the situation, things quickly begin to spiral out of control when they cross the line between reality and the unknown; meanwhile a sinister entity makes its presence known.