明(míng )朝(cháo )成化年间，朝纲腐败，奸(jiān )邪当道(dào )。西厂东厂(chǎng )为宦官把持(chí )，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀安（李连(lián )杰 饰(shì )）等流亡剑客挺身而出，接连铲除东厂(chǎng )数名奸佞，致令阉(yān )贼(zéi )胆战心惊(jīng )。适值此时，风头正(zhèng )劲的西厂(chǎng )