"Passage à l'acte" is a French film that tells the story of a young woman named Marie who is struggling with her mental health. She is haunted by memories of a traumatic event from her past and finds it difficult to cope with her emotions. As she spirals further into despair, Marie becomes increasingly disconnected from reality and begins to experience hallucinations. Desperate for relief, she decides to take drastic action and commits a violent act that will change her life forever.