明朝成化年间，朝(cháo )纲腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混淆(xiáo )黑白(bái )，陷害忠(zhōng )良(liáng )，朝野内外(wài )噤若寒蝉。时(shí )有赵怀安（李连杰(jié ) 饰）等流亡(wáng )剑客挺身而出，接连铲除东厂(chǎng )数名(míng )奸佞，致令阉(yān )贼胆战心惊。适值此(cǐ )时(shí )，风头正劲的西厂