明朝成化年间，朝(cháo )纲腐败，奸邪当道。西厂东厂(chǎng )为宦官把持，混淆黑白，陷害忠(zhōng )良，朝野(yě )内外(wài )噤若寒(hán )蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身(shēn )而出，接连(lián )铲(chǎn )除东(dōng )厂数名奸佞(nìng )，致令阉(yān )贼(zéi )胆战(zhàn )心惊(jīng )。适值此时，风头正劲的西厂