明朝成化年间，朝纲腐败，奸(jiān )邪当道。西厂(chǎng )东厂(chǎng )为宦官把持，混(hún )淆黑白，陷害忠(zhōng )良，朝野内外(wài )噤若(ruò )寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身而出，接连铲(chǎn )除东(dōng )厂数名奸(jiān )佞，致令阉贼胆战心惊。适值(zhí )此时，风头正劲的西厂