明朝成化年间，朝纲(gāng )腐败(bài )，奸邪当道。西厂东(dōng )厂为宦官把(bǎ )持，混淆(xiáo )黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵怀安(ān )（李连杰(jié ) 饰）等流亡剑客挺身而出，接连铲(chǎn )除东厂数名(míng )奸(jiān )佞，致令阉贼胆战心惊(jīng )。适值此时，风头正劲的西(xī )厂