明朝成(chéng )化年间，朝纲(gāng )腐败，奸邪当道。西厂东厂(chǎng )为宦官把持，混淆黑(hēi )白，陷害忠良，朝(cháo )野(yě )内外噤若寒蝉。时有赵怀安(ān )（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲(chǎn )除东厂数名奸佞，致令阉贼(zéi )胆战心惊。适值此(cǐ )时(shí )，风头正劲的西厂(chǎng )