明朝成化年间，朝(cháo )纲腐败，奸邪当道。西(xī )厂东厂为(wéi )宦(huàn )官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时(shí )有赵怀安（李连(lián )杰 饰）等流亡剑客挺身而出，接(jiē )连铲(chǎn )除(chú )东厂数名奸佞，致令阉贼(zéi )胆战(zhàn )心惊(jīng )。适值此时，风头正劲(jìn )的西厂(chǎng )