明朝成化年间，朝纲(gāng )腐败(bài )，奸邪当道。西(xī )厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外(wài )噤若(ruò )寒蝉。时有赵怀安（李连杰 饰）等流亡剑(jiàn )客挺(tǐng )身而(ér )出，接连(lián )铲除(chú )东厂数名奸佞，致令阉贼胆战心惊。适值此(cǐ )时，风(fēng )头正劲的西(xī )厂