明朝成化年间，朝纲(gāng )腐败(bài )，奸邪当道(dào )。西厂(chǎng )东厂(chǎng )为宦官把(bǎ )持，混淆黑白，陷害(hài )忠良，朝野(yě )内外噤若寒蝉。时有赵(zhào )怀安（李连杰(jié ) 饰）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆战心(xīn )惊(jīng )。适(shì )值此(cǐ )时，风头正劲的西厂