明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东厂为(wéi )宦官把持，混(hún )淆黑白，陷害忠(zhōng )良，朝野内外噤(jìn )若寒蝉。时有赵怀(huái )安（李连杰 饰）等流(liú )亡剑(jiàn )客挺身而出，接连(lián )铲除东(dōng )厂数名奸佞，致令阉贼(zéi )胆战心惊。适(shì )值(zhí )此时(shí )，风头正劲的西厂