明朝成化年间，朝纲腐败，奸邪当道。西厂东厂(chǎng )为宦官把(bǎ )持，混淆黑白，陷害(hài )忠(zhōng )良，朝野内外噤(jìn )若寒蝉。时(shí )有赵怀安(ān )（李(lǐ )连(lián )杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除东厂数名奸佞，致令(lìng )阉(yān )贼胆战(zhàn )心惊。适值此时，风头正劲的西厂