明(míng )朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂(chǎng )为宦官把持，混淆黑白(bái )，陷(xiàn )害忠良，朝野内外噤(jìn )若寒蝉(chán )。时有赵怀安（李连(lián )杰 饰）等流亡剑客(kè )挺身而出，接连铲除东厂数(shù )名奸(jiān )佞，致令阉(yān )贼胆战心惊。适(shì )值此(cǐ )时，风头正劲的西厂(chǎng )