明朝成化年间(jiān )，朝纲腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外(wài )噤(jìn )若寒蝉。时有(yǒu )赵(zhào )怀安(ān )（李连杰 饰）等流亡剑客挺身(shēn )而出，接连铲除东厂数名奸佞，致令阉(yān )贼胆战心(xīn )惊。适值此(cǐ )时，风头正劲的西厂