The document provides an overview of a psychological thriller film that explores the concept of depersonalization disorder. The main character, Melissa, struggles with doubts about her existence and reality. She meets another girl, Niamh, who appears similar to her and may help Melissa find herself and escape her own imagination. Key questions are raised about what is causing Melissa's condition and whether the story depicts real life or her imagination. The target audience is those aged 13+ who enjoy the psychological thriller genre or have an interest in mental health.