明朝成化年间，朝纲腐败(bài )，奸邪当(dāng )道(dào )。西(xī )厂东厂为宦官把(bǎ )持，混淆黑白，陷害忠良，朝(cháo )野内外(wài )噤若寒(hán )蝉。时有赵怀安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除东厂数名奸佞(nìng )，致令阉贼(zéi )胆(dǎn )战(zhàn )心惊。适值此时，风头正劲(jìn )的西厂(chǎng )