明朝成化年间，朝(cháo )纲(gāng )腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷(xiàn )害忠良，朝野内外噤若寒蝉(chán )。时有赵(zhào )怀安（李连杰(jié ) 饰）等流亡(wáng )剑客挺身而(ér )出，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉贼胆战(zhàn )心惊。适(shì )值此时，风头正(zhèng )劲的西厂