明朝成化年间，朝(cháo )纲腐败，奸邪当道。西厂东厂(chǎng )为宦(huàn )官(guān )把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连(lián )杰(jié ) 饰）等流亡剑客(kè )挺身而出，接连铲除东厂数名奸(jiān )佞，致令(lìng )阉(yān )贼(zéi )胆战心惊(jīng )。适值此时，风头正劲的西厂