The film, scheduled for release on Amazon Prime Video in early 2026, will highlight the work of The King’s Foundation.
It will showcase King Charles’s commitment to bringing nature and humanity into harmony, focusing on his "harmony" philosophy.
Winslet, an ambassador for The King’s Foundation, expressed her shared passion for protecting the planet and building sustainable communities.
The documentary will explore how The King’s Foundation applies this philosophy through projects such as community regeneration and sustainable textiles.