明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪当道(dào )。西厂东厂为宦官把持，混(hún )淆黑白，陷(xiàn )害忠良(liáng )，朝野内外噤若寒(hán )蝉。时(shí )有赵怀安（李(lǐ )连杰 饰）等流亡(wáng )剑客挺身而出(chū )，接连铲(chǎn )除(chú )东厂数名奸佞，致令阉(yān )贼胆战心惊。适值此时，风头正劲的西厂