Where's Wendy (2016)

Where’s Wendy (2016) is a found footage film and found footage horror. When a high school graduate’s girlfriend goes missing after a series of celebratory parties, Sean and his best friend instantly start searching for Wendy and are joined by her closest girlfriend to help investigate the beach at the end of their small town where she reportedly went for a mysterious after party with other local girls who are also reported missing. As the teens continue their search, Sean quickly discovers that the hunt for his girlfriend has lead them into an irrevocably dark world.