Watch 123Movies. Hailed as possibly the greatest classical weapons movie ever made and starring world-renowned martial arts master, director and action-choreographer, Sammo Hung. This film showcases some of the most spectacular and intricate weapons duels ever committed to film. Sammo Hung and Lau Kar Wing play dual roles as both masters and students of the sword and spear styles of kung fu. Comic mayhem ensues when the students get kidnapped and the masters must rescue them.