明朝成化年间，朝纲腐败，奸(jiān )邪(xié )当道。西厂东厂为宦(huàn )官把持，混淆黑白，陷害(hài )忠(zhōng )良，朝野内外噤若(ruò )寒蝉。时有赵(zhào )怀安（李连杰 饰(shì )）等流(liú )亡剑(jiàn )客挺身而出，接连铲(chǎn )除东厂数名奸佞，致令阉贼胆战心惊(jīng )。适值此时，风头正劲的西厂(chǎng )