Set in a Bavarian village, the story unfolds as the inhabitants, known for their valuable ruby-red glass production secrets, lose their ability to create the coveted glassware. The villagers' reaction to this loss becomes increasingly bizarre and leads to a collective descent into madness. Renowned for its surreal and dreamlike storyline, what sets HEART OF GLASS apart is the unconventional approach Herzog took during production. Reportedly, most of the cast, including the lead, were hypnotised during filming, contributing to the film's surreal atmosphere and detached performances. The film's dreamlike quality is heightened by its beautifully shot landscapes and mesmerizing musical score. Exploring themes of loss, mysticism, and the fragile nature of human sanity, it is a visually stunning and experimental piece of cinema. The ethereal narrative challenges viewers to interpret its symbolism and reflect on the fragility of cultural heritage and the consequences of collective despair. The film remains a fascinating and enigmatic exploration of the human psyche through the lens of artistic expression.