Taiwanese horror movie from 1970.

A man from an upper class family with a promising future gets into an accident and becomes blind. The accident causes apathy toward those close to him. One day, a nurse comes to attend him, leading to many ups and downs in his life.

A young swordsman is sent to the city of Lo Yang to help his father's benefactor Inspector Chang from the four monsters-which are causing him a lot of grief. Four of the most violent martial artists in China.