明朝成化年间，朝纲(gāng )腐(fǔ )败，奸(jiān )邪当道。西厂东厂为宦官(guān )把(bǎ )持，混淆黑(hēi )白，陷害忠良，朝野内外(wài )噤若寒蝉(chán )。时有赵(zhào )怀(huái )安（李连杰 饰）等流亡剑客挺身而出，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战心惊。适(shì )值(zhí )此时，风头正劲的西厂