明朝成化年间，朝(cháo )纲(gāng )腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆(xiáo )黑白，陷(xiàn )害忠(zhōng )良，朝野内外噤若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲除(chú )东厂数名奸佞(nìng )，致(zhì )令阉贼胆战心惊。适(shì )值(zhí )此时，风头正劲(jìn )的(de )西厂