明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东厂为宦官把(bǎ )持，混(hún )淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲(chǎn )除东厂数名(míng )奸佞，致令阉贼胆战心惊。适值此时，风头正(zhèng )劲的西厂(chǎng )