明朝成化年间，朝纲腐败，奸邪当道。西厂东厂(chǎng )为宦官把(bǎ )持，混淆黑白，陷害(hài )忠良，朝野内外噤若寒(hán )蝉。时有赵怀(huái )安（李连(lián )杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸(jiān )佞，致令(lìng )阉贼胆战心惊。适值(zhí )此时，风(fēng )头正(zhèng )劲的西(xī )厂(chǎng )