明朝成化年间，朝(cháo )纲(gāng )腐败，奸邪当道(dào )。西厂东厂(chǎng )为宦官把持，混淆黑白，陷害忠良，朝野(yě )内外噤若寒蝉。时有赵怀安（李(lǐ )连(lián )杰 饰）等(děng )流亡剑(jiàn )客挺身而出，接连铲除东厂数名奸(jiān )佞，致令(lìng )阉贼胆战心惊。适值此时(shí )，风头正劲的西厂(chǎng )