明朝成化年间，朝(cháo )纲腐败，奸邪(xié )当道。西厂东厂为宦官把持，混(hún )淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵(zhào )怀(huái )安（李连(lián )杰 饰）等(děng )流亡剑客挺身而出，接连铲除(chú )东厂(chǎng )数名奸佞，致令阉贼(zéi )胆战(zhàn )心惊。适值(zhí )此时，风(fēng )头正劲的西厂