Caroline (2019)

Caroline has been protected in a cabin by her mother as long as she can remember. Mother always tells her that the witch they are hiding from cursed her father to turn into a fish when Caroline was little. As Caroline's 16th birthday approaches, her request to leave the cabin gets rejected again. She is bothered by a recurring dream and becomes more and more curious about the outside world. However, she realizes there's a bigger secret behind her mother's lie.