明朝成化年间，朝(cháo )纲(gāng )腐(fǔ )败，奸邪(xié )当道。西厂东厂为宦(huàn )官把持，混淆黑白(bái )，陷害忠(zhōng )良，朝野内外噤(jìn )若寒蝉。时有赵(zhào )怀(huái )安（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸(jiān )佞，致令阉贼(zéi )胆战心惊。适值此时，风头正劲的西厂