明朝成化年间，朝(cháo )纲腐败，奸邪(xié )当道。西(xī )厂东厂为宦官把持，混淆(xiáo )黑白，陷(xiàn )害忠良，朝野内外噤若(ruò )寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身而出，接连(lián )铲除东厂数名奸佞，致令阉(yān )贼胆(dǎn )战心惊。适值(zhí )此(cǐ )时，风头正劲(jìn )的西厂(chǎng )