明朝成(chéng )化(huà )年间，朝纲腐败，奸邪当道。西(xī )厂东厂为宦官把持，混(hún )淆(xiáo )黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等流亡(wáng )剑客挺身而出，接连铲除东厂(chǎng )数名奸(jiān )佞，致令阉贼胆战心惊。适值(zhí )此时，风头正(zhèng )劲的西厂(chǎng )