明朝成化(huà )年间，朝(cháo )纲腐败(bài )，奸邪当道。西厂(chǎng )东厂(chǎng )为宦官把持，混(hún )淆(xiáo )黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰）等流(liú )亡剑客挺(tǐng )身(shēn )而出，接连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂