明朝成化年间，朝纲腐败(bài )，奸邪当道。西厂东厂为宦官把持，混淆黑白，陷害(hài )忠良，朝野(yě )内(nèi )外噤若(ruò )寒蝉。时有赵(zhào )怀(huái )安（李连杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼(zéi )胆战(zhàn )心惊。适值(zhí )此时(shí )，风头正(zhèng )劲的西厂