明朝成化年(nián )间，朝(cháo )纲腐败，奸邪当(dāng )道。西厂东厂为宦官把持，混淆黑白，陷害忠(zhōng )良，朝(cháo )野(yě )内外噤(jìn )若寒(hán )蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除(chú )东厂(chǎng )数名奸(jiān )佞，致令阉贼胆战心(xīn )惊(jīng )。适值此时，风头正劲(jìn )的西厂