明朝成化(huà )年间，朝纲腐败，奸邪当道(dào )。西厂(chǎng )东厂为宦官把持，混(hún )淆黑白，陷(xiàn )害忠良，朝野内外噤若寒蝉。时有赵怀安(ān )（李连杰(jié ) 饰）等(děng )流亡剑(jiàn )客挺身而出，接连铲除东厂数(shù )名奸(jiān )佞，致令阉贼胆战(zhàn )心惊。适值此时，风头正劲的西厂(chǎng )