明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官(guān )把持，混淆(xiáo )黑白(bái )，陷害忠良，朝野内外(wài )噤若(ruò )寒蝉(chán )。时有赵怀安（李连杰 饰）等流(liú )亡(wáng )剑(jiàn )客挺身而出，接连铲除(chú )东(dōng )厂数名奸(jiān )佞，致令(lìng )阉贼胆战心惊。适值此时，风头正劲的西厂