明朝成化年间，朝纲腐败，奸邪当道。西厂东厂(chǎng )为(wéi )宦官把(bǎ )持(chí )，混淆黑白，陷害(hài )忠(zhōng )良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰(shì )）等流亡剑客挺身而出，接连铲除(chú )东厂数名奸佞，致令(lìng )阉贼胆战(zhàn )心惊。适值此时，风头(tóu )正劲的西(xī )厂(chǎng )