明朝成化年间，朝(cháo )纲(gāng )腐败，奸(jiān )邪当道。西厂东(dōng )厂为宦官把(bǎ )持，混淆黑白，陷害忠良，朝野(yě )内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流(liú )亡剑客挺(tǐng )身而出，接连铲(chǎn )除东厂数名(míng )奸佞，致令阉贼胆(dǎn )战心(xīn )惊。适值此时，风头(tóu )正劲的西厂