明朝成化年间(jiān )，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混(hún )淆黑白，陷(xiàn )害忠良，朝野内外噤若寒(hán )蝉。时有赵怀安（李连杰 饰）等流(liú )亡剑(jiàn )客挺(tǐng )身而出(chū )，接连铲除东(dōng )厂数名奸佞，致令阉(yān )贼胆战(zhàn )心惊。适值此时，风头正劲的西厂