Fists of Vengeance (1972)

Yan Zi Fei and Guan Yue Hua are returning home in love and plan to tell their parents but once they arrive back they find that there is a conflict between the two families. Guan Fun Lin is working with Master Ogawa to assist the Japanese in taking possession of the Yan family's forest - by fair means or foul. With Master Yan refusing to sell, Ogama continues his plotting, using deceit, betrayal and ultimately bloody violence to get what he wants.