明朝成(chéng )化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野(yě )内外(wài )噤若寒(hán )蝉。时有赵怀安（李连杰 饰(shì )）等流(liú )亡剑(jiàn )客挺身而出，接连铲除(chú )东厂(chǎng )数名奸佞，致令阉贼胆战(zhàn )心惊。适值此时(shí )，风头(tóu )正劲的西厂