Watch Movies2Watch. The movie The Demon Prince (Hoàng Tử Quỷ) marks the first collaboration between CJ HK Entertainment and the duo Producer Hoang Quan – Director Tran Huu Tan from ProductionQ. The film is inspired by the famous horror novel Lý Triều Dị Truyện by author Phan Cuong. This fictional collection, steeped in mystique and set during Vietnam's Ly Dynasty, builds on folklore about ghosts, dark magic, courtly secrets, and popular fears. The work opens up a world where forgotten legends come to life, reflecting the greed, ambition, and obsessions within every human being. The film The Demon Prince (Hoàng Tử Quỷ) is expected to premiere in cinemas nationwide starting from December 5, 2025.