A potential "feature" for the 2012 Polish film —directed by Barbara Białowąs—could be an interactive narrative exploration of its central theme: the descent from passionate romance into toxic dependency.
An interesting digital or DVD-extra feature could be an that visualizes the relationship's deterioration.
: A visual "intensity meter" that tracks specific milestones, such as their first erotic initiation, the moment Emilia finds independence through singing, and the eventual destructive behavior that makes them unable to live with or without each other.
For a deeper look at the film's intense and controversial atmosphere, you can watch the trailer here: