明朝成化年(nián )间，朝纲腐败，奸(jiān )邪当道。西厂东厂为宦官把持(chí )，混淆(xiáo )黑白，陷害忠良(liáng )，朝(cháo )野内外噤若寒蝉(chán )。时有赵怀安（李连杰 饰）等(děng )流(liú )亡剑客(kè )挺(tǐng )身而出(chū )，接连铲除东(dōng )厂数名奸佞，致令阉(yān )贼胆战心惊(jīng )。适值此时，风头正劲的西厂