明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂(chǎng )为宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒(hán )蝉。时有(yǒu )赵怀安（李连杰 饰）等流亡剑客挺身而出，接连(lián )铲除(chú )东厂数名奸(jiān )佞(nìng )，致令阉(yān )贼胆战心惊。适值(zhí )此时，风头(tóu )正劲的西(xī )厂