明朝成化年间(jiān )，朝(cháo )纲腐败，奸(jiān )邪当道。西厂东厂为宦官(guān )把持，混淆黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑客挺身而出，接连(lián )铲除东厂数名(míng )奸佞，致(zhì )令阉贼胆战(zhàn )心惊。适(shì )值(zhí )此时，风头正劲的西厂