明朝成化(huà )年(nián )间(jiān )，朝纲腐败，奸邪当道(dào )。西厂东厂(chǎng )为宦官把持，混淆黑白，陷(xiàn )害忠良，朝野内外(wài )噤若寒(hán )蝉。时(shí )有赵怀安（李连杰(jié ) 饰）等流亡剑客挺身而出(chū )，接连铲除东厂数名奸佞，致令阉(yān )贼胆(dǎn )战心惊。适值此时，风头正劲的西厂