幼童二虎子因母亲生病，于破庙外拦车行乞，为车夫李七龙鞭打成伤，车中章家寨女主人云姑娘基于同情，赠二虎子玉佩一块，嘱往张家寨讨取银
An undercover cop teams up with a martial-arts expert to stop a