明(míng )朝(cháo )成化年间，朝纲(gāng )腐败，奸邪当道(dào )。西厂东厂为宦官把持，混淆黑白，陷害(hài )忠(zhōng )良，朝野内外噤若(ruò )寒蝉。时有赵怀安（李连杰 饰）等(děng )流亡剑(jiàn )客挺身(shēn )而出，接连(lián )铲除东厂数名奸佞，致令阉贼胆战心(xīn )惊。适值此时，风头正劲(jìn )的西厂