PROMISE ME YOU WON'T SAY ANYTHING

Zoe Estola is preparing for an interview to mark the release of her new book. In it, she recounts the botched investigation into the unsolved murder of her younger sister, Eva, conducted years earlier by Inspector Zacchari Memora. As she retraces the case, Zoe seeks to understand why the inspector never submitted the findings of his investigation. This silence seems to be linked to strange memories and repressed promises...