明朝成化年间，朝纲腐败，奸邪当道(dào )。西厂(chǎng )东厂为宦官把持(chí )，混淆黑白，陷害(hài )忠(zhōng )良，朝野内外噤若寒(hán )蝉。时有赵怀安（李连杰 饰）等流亡剑客(kè )挺身而出，接连铲除东(dōng )厂数名奸佞(nìng )，致令阉贼胆战(zhàn )心惊(jīng )。适值(zhí )此时(shí )，风头(tóu )正劲的西厂