明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东厂为宦官(guān )把持，混淆黑(hēi )白，陷害忠良，朝野内外噤若寒蝉。时(shí )有赵(zhào )怀(huái )安（李连杰 饰(shì )）等流亡剑客挺身(shēn )而出，接连(lián )铲(chǎn )除东厂数名奸佞，致令阉贼(zéi )胆战(zhàn )心惊。适值此时，风头正劲的西厂