明朝成(chéng )化年间，朝纲腐败，奸邪当道。西(xī )厂东厂(chǎng )为宦官把持(chí )，混(hún )淆黑(hēi )白，陷害忠良，朝野(yě )内外噤若寒蝉。时(shí )有赵怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂(chǎng )数名(míng )奸佞，致令(lìng )阉贼胆(dǎn )战心惊。适值此时，风头正劲的西厂(chǎng )