明朝成化年间，朝纲腐败，奸(jiān )邪当道(dào )。西厂东厂为宦官把持，混淆黑白，陷害(hài )忠良，朝(cháo )野(yě )内(nèi )外噤若寒蝉(chán )。时有赵怀(huái )安（李(lǐ )连杰 饰）等流(liú )亡剑客挺(tǐng )身而出，接连铲除东厂数名(míng )奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头正劲(jìn )的西厂