明朝成化年间，朝纲腐败，奸邪当道(dào )。西(xī )厂东厂为宦官把持，混淆黑(hēi )白，陷害忠良，朝(cháo )野内外噤若寒蝉。时有赵怀安（李连杰(jié ) 饰）等(děng )流亡剑客(kè )挺身而出，接连铲除(chú )东(dōng )厂数名(míng )奸(jiān )佞，致令阉贼胆(dǎn )战心惊。适值此时(shí )，风头正劲的西厂(chǎng )