明朝(cháo )成化年间，朝纲腐败，奸邪当道。西厂东厂为(wéi )宦(huàn )官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时(shí )有赵怀安（李(lǐ )连杰 饰）等流亡剑客挺(tǐng )身而出，接(jiē )连铲除(chú )东(dōng )厂数名奸佞，致令阉(yān )贼胆战心惊(jīng )。适值此时，风头正劲(jìn )的西厂(chǎng )