明朝成化年(nián )间，朝纲腐败，奸邪当道。西厂东厂(chǎng )为宦官把持(chí )，混淆黑(hēi )白，陷害忠良，朝(cháo )野内外噤若寒(hán )蝉。时有赵怀安（李连杰(jié ) 饰）等流亡剑客(kè )挺身而出，接连铲(chǎn )除东厂数名奸佞，致令阉贼胆战心惊。适值(zhí )此时(shí )，风头正劲的西厂(chǎng )