It's the Sung Dynasty versus the Chin invaders as the "Iron Triangle" of director Chang Cheh and stars David Chiang and Ti Lung truly hit their stride with this crowd-pleasing kung-fu epic. When a handsome Prince is taken captive and guarded by a martial arts master, it's up to two powerful patriots to fight overwhelming odds. From the first fascinating minute to the final desperate battle to the death - culminating in an unforgettably evocative conclusion - this duo is dynamic as well as deadly.