明朝成(chéng )化年间，朝纲(gāng )腐败，奸邪当道。西厂(chǎng )东厂为(wéi )宦官把持，混淆黑白(bái )，陷害忠良，朝(cháo )野内外噤(jìn )若寒(hán )蝉。时有赵怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出，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 )