明朝成化年间，朝(cháo )纲腐败，奸(jiān )邪(xié )当道。西厂东(dōng )厂为宦官把(bǎ )持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连(lián )杰 饰）等(děng )流亡剑客挺身而出，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时(shí )，风头正(zhèng )劲的西厂