明朝成(chéng )化(huà )年间，朝纲腐败，奸邪当道。西厂(chǎng )东厂(chǎng )为宦官把持，混淆黑白，陷(xiàn )害(hài )忠良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰(jié ) 饰）等流亡剑客挺(tǐng )身(shēn )而(ér )出，接连铲除东厂(chǎng )数名(míng )奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂