Imagine the interface as a living book that breathes. You’d start with a modular stage where each chapter is a “node” you can step into—think of a carousel of panels that rotate as you walk. On the walls, translucent LED strips run in waves that pulse to the story’s rhythm; when a tense beat hits, the lights flare and a subtle vibration under the floor nudges your heart. Touch sensors embedded in the floor trigger soundscapes that change the tempo of a subtle wind or distant thunder. You could even add a lightweight haptic vest that syncs with the music, so when a character cries, you feel a gentle pulse. The key is to keep the controls invisible: motion‑tracking cameras read your movements and adjust lighting and sound in real time, so the audience isn’t holding a button but is dancing with the narrative. That way, stepping into the plot feels less like watching and more like living it.