明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂(chǎng )东厂为宦官把(bǎ )持，混淆黑白，陷害(hài )忠良，朝野内外(wài )噤若寒(hán )蝉。时有赵怀安（李(lǐ )连杰 饰）等流(liú )亡剑客挺身而出，接连铲除东厂数名奸佞，致令(lìng )阉贼胆战心惊(jīng )。适值此(cǐ )时，风(fēng )头正劲的(de )西厂