Desc: Ngũ Độn Nhẫn Thuật: Directed by Cheh Chang. With Tien-Chi Cheng, Tien-Hsiang Lung, Meng Lo, Michael Wai-Man Chan. A Chinese martial arts school is infiltrated and destroyed by ninjas. Tian Hao survives the massacre and seeks to uncover the trickery of ninjutsu in order to beat the Five Element Ninjas and avenge his family.