Unspeakable secrets are hidden within the Forbidden City.

China, Later Tang Dynasty, 10th Century. On the eve of the Chong Yang Festival, golden flowers fill the Imperial Palace. The Emperor (Chow Yun Fat) returns unexpectedly with his second son, Prince Jai (Jay Chou) but there are chilled relations between the Emperor and the ailing Empress (Gong Li). Amid the glamour and grandeur of the festival, ugly secrets are revealed. As the Imperial Family continues its elaborate charade, thousands of golden armored warriors charge the palace. Who is behind this brutal rebellion? Where do Prince Jai's loyalties lie? Against a moonlit night, thousands of chrysanthemum blossoms are trampled as blood spills across the Imperial Palace.