This mystery-tinged 'Martial Arts World' epic was one of director Chu Yuan and novelist Ku Lung's last together for the Shaw Studios, but it's another action-filled winner. Liu Yung and Sun Chien team to investigate the martial arts murders of … Tony Liu, Elliot Ngok, Jason Piao Pai, Ching Li, Choh Seung-Wan, Tang Ching, Sun Chien Added on Amazon Prime 2021-07-12. Youtube Trailer