明朝成(chéng )化年间，朝纲腐(fǔ )败，奸邪当道。西厂东厂为宦官把持(chí )，混淆黑白，陷害(hài )忠良，朝野内外(wài )噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉贼胆(dǎn )战心惊。适值(zhí )此时(shí )，风头(tóu )正劲(jìn )的西厂