明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东(dōng )厂为(wéi )宦官把持，混淆黑白，陷(xiàn )害忠良，朝野(yě )内外噤若(ruò )寒(hán )蝉。时有赵(zhào )怀(huái )安（李连杰 饰）等流亡剑(jiàn )客挺身而出(chū )，接连铲除东厂(chǎng )数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲(jìn )的西厂