明朝成化年间，朝纲腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等(děng )流亡剑客挺(tǐng )身而出，接连铲(chǎn )除东(dōng )厂(chǎng )数名(míng )奸佞(nìng )，致令阉贼(zéi )胆战心(xīn )惊。适值此时，风头正劲的西(xī )厂