明朝成化年间，朝纲(gāng )腐败，奸邪当道(dào )。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝(cháo )野(yě )内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流(liú )亡剑客挺身而(ér )出，接(jiē )连铲除东厂数名奸佞，致令阉贼(zéi )胆(dǎn )战(zhàn )心惊。适值此时(shí )，风头正劲的西厂