Mnemosyne (2016) online

"Mnemosyne" is a southern-gothic thriller. Set on an isolated island off the coast of the southeastern United States, the story delves into the world of a mysterious, sequestered commune. "Mnemosyne" follows the story of Cam, the son of Pastor, the tyrannical, yet charismatic leader of the island. When Cam's sister Reilly falls ill, he must find a way to get her to safety or watch her die. Together with his friend Hannah, Cam discovers the sinister nature of the island. A harrowing game of memory and manipulation unravels-revealing that things are not always what they seem.