The Island Between Tides is an adaptation of Mary Rose, a play by Peter Pan author J.M. Barrie. The movie is also a folk tale, a melancholic ghost story, a character driven mystery, and a slow-burning psychological thriller. It is not, however, very good. Single mother Lily (Riot Girls’ Paloma Kwiatkowski) doesn’t feel “normal”. As a young girl, she innocently wandered off and crossed onto an unfamiliar island, only to come back shortly after to…