明(míng )朝成化年(nián )间，朝(cháo )纲腐败(bài )，奸邪当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷害忠良，朝野内(nèi )外噤若寒蝉。时(shí )有赵(zhào )怀安（李连杰(jié ) 饰）等流(liú )亡剑(jiàn )客挺身而出，接连铲除东厂数(shù )名奸(jiān )佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正劲的西厂