Heavenly Tiger Security Escort owner Lui Tang-hung has received a suspicious gilded box addressed to 'Golden Whip Knight' Hon Shun. Giving chase to the deliverer, his son Lui Lun is abducted by the Twin Messengers of Ghost Palace. Their son believed dead, Tang-hung and wife One Madam of Western Gate undertake their assignment to deliver 'The Martial World Treasure' with a heavy heart.