The Double-speared Luk Man-Lung：
The story revolves around Luk Man-lung of the Jin Empire, who remains undefeated even against the able Song commander Ngok Fei. As it happens, Luk Man-lung is in fact the son of a Song court official. To get close to Luk Man-lung, Song general Wong feigns allegiance by chopping off his arm. When told his birth story, Luk Man-lung joins hands with Wong in subduing the Jin monarch.