明朝成化年间，朝纲腐败，奸邪当道。西厂(chǎng )东厂(chǎng )为宦官(guān )把持，混(hún )淆黑白，陷害忠良，朝(cháo )野内外噤(jìn )若(ruò )寒(hán )蝉。时有赵怀安（李连杰 饰）等流(liú )亡剑客挺身而出，接连(lián )铲除东厂数名奸佞，致令阉贼胆战心(xīn )惊。适值此时，风头正劲的西厂